21000955950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4493}}^1$

素因数の和:4588

約数の個数: 288

約数和(自身を含む): 65720543616

約数和(自身を除く): 44719587666

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 25, 26, 30, 34, 39, 45, 47, 50, 51, 65, 75, 78, 85, 90, 94, 102, 117, 130, 141, 150, 153, 170, 195, 221, 225, 234, 235, 255, 282, 306, 325, 390, 423, 425, 442, 450, 470, 510, 585, 611, 650, 663, 705, 765, 799, 846, 850, 975, 1105, 1170, 1175, 1222, 1275, 1326, 1410, 1530, 1598, 1833, 1950, 1989, 2115, 2210, 2350, 2397, 2550, 2925, 3055, 3315, 3525, 3666, 3825, 3978, 3995, 4230, 4493, 4794, 5499, 5525, 5850, 6110, 6630, 7050, 7191, 7650, 7990, 8986, 9165, 9945, 10387, 10575, 10998, 11050, 11985, 13479, 14382, 15275, 16575, 18330, 19890, 19975, 20774, 21150, 22465, 23970, 26958, 27495, 30550, 31161, 33150, 35955, 39950, 40437, 44930, 45825, 49725, 51935, 54990, 58409, 59925, 62322, 67395, 71910, 76381, 80874, 91650, 93483, 99450, 103870, 112325, 116818, 119850, 134790, 137475, 152762, 155805, 175227, 179775, 186966, 202185, 211171, 224650, 229143, 259675, 274950, 292045, 311610, 336975, 350454, 359550, 381905, 404370, 422342, 458286, 467415, 519350, 525681, 584090, 633513, 673950, 687429, 763810, 779025, 876135, 934830, 992953, 1010925, 1051362, 1055855, 1145715, 1267026, 1374858, 1460225, 1558050, 1752270, 1900539, 1909525, 1985906, 2021850, 2111710, 2291430, 2337075, 2628405, 2745223, 2920450, 2978859, 3167565, 3437145, 3589907, 3801078, 3819050, 4380675, 4674150, 4964765, 5256810, 5279275, 5490446, 5728575, 5957718, 6335130, 6874290, 7179814, 8235669, 8761350, 8936577, 9502695, 9929530, 10558550, 10769721, 11457150, 13142025, 13726115, 14894295, 15837825, 16471338, 17185725, 17873154, 17949535, 19005390, 21539442, 24707007, 24823825, 26284050, 27452230, 29788590, 31675650, 32309163, 34371450, 35899070, 41178345, 44682885, 46668791, 47513475, 49414014, 49647650, 53848605, 64618326, 68630575, 74471475, 82356690, 89365770, 89747675, 93337582, 95026950, 107697210, 123535035, 137261150, 140006373, 148942950, 161545815, 179495350, 205891725, 223414425, 233343955, 247070070, 269243025, 280012746, 323091630, 411783450, 420019119, 446828850, 466687910, 538486050, 617675175, 700031865, 807729075, 840038238, 1166719775, 1235350350, 1400063730, 1615458150, 2100095595, 2333439550, 3500159325, 4200191190, 7000318650, 10500477975, 21000955950]

約数ペア:

[(1, 21000955950), (2, 10500477975), (3, 7000318650), (5, 4200191190), (6, 3500159325), (9, 2333439550), (10, 2100095595), (13, 1615458150), (15, 1400063730), (17, 1235350350), (18, 1166719775), (25, 840038238), (26, 807729075), (30, 700031865), (34, 617675175), (39, 538486050), (45, 466687910), (47, 446828850), (50, 420019119), (51, 411783450), (65, 323091630), (75, 280012746), (78, 269243025), (85, 247070070), (90, 233343955), (94, 223414425), (102, 205891725), (117, 179495350), (130, 161545815), (141, 148942950), (150, 140006373), (153, 137261150), (170, 123535035), (195, 107697210), (221, 95026950), (225, 93337582), (234, 89747675), (235, 89365770), (255, 82356690), (282, 74471475), (306, 68630575), (325, 64618326), (390, 53848605), (423, 49647650), (425, 49414014), (442, 47513475), (450, 46668791), (470, 44682885), (510, 41178345), (585, 35899070), (611, 34371450), (650, 32309163), (663, 31675650), (705, 29788590), (765, 27452230), (799, 26284050), (846, 24823825), (850, 24707007), (975, 21539442), (1105, 19005390), (1170, 17949535), (1175, 17873154), (1222, 17185725), (1275, 16471338), (1326, 15837825), (1410, 14894295), (1530, 13726115), (1598, 13142025), (1833, 11457150), (1950, 10769721), (1989, 10558550), (2115, 9929530), (2210, 9502695), (2350, 8936577), (2397, 8761350), (2550, 8235669), (2925, 7179814), (3055, 6874290), (3315, 6335130), (3525, 5957718), (3666, 5728575), (3825, 5490446), (3978, 5279275), (3995, 5256810), (4230, 4964765), (4493, 4674150), (4794, 4380675), (5499, 3819050), (5525, 3801078), (5850, 3589907), (6110, 3437145), (6630, 3167565), (7050, 2978859), (7191, 2920450), (7650, 2745223), (7990, 2628405), (8986, 2337075), (9165, 2291430), (9945, 2111710), (10387, 2021850), (10575, 1985906), (10998, 1909525), (11050, 1900539), (11985, 1752270), (13479, 1558050), (14382, 1460225), (15275, 1374858), (16575, 1267026), (18330, 1145715), (19890, 1055855), (19975, 1051362), (20774, 1010925), (21150, 992953), (22465, 934830), (23970, 876135), (26958, 779025), (27495, 763810), (30550, 687429), (31161, 673950), (33150, 633513), (35955, 584090), (39950, 525681), (40437, 519350), (44930, 467415), (45825, 458286), (49725, 422342), (51935, 404370), (54990, 381905), (58409, 359550), (59925, 350454), (62322, 336975), (67395, 311610), (71910, 292045), (76381, 274950), (80874, 259675), (91650, 229143), (93483, 224650), (99450, 211171), (103870, 202185), (112325, 186966), (116818, 179775), (119850, 175227), (134790, 155805), (137475, 152762)]