21101850

素因数分解:

$2^1\times 3^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:75

約数の個数: 288

約数和(自身を含む): 76334400

約数和(自身を除く): 55232550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 25, 27, 29, 30, 33, 35, 42, 45, 49, 50, 54, 55, 58, 63, 66, 70, 75, 77, 87, 90, 98, 99, 105, 110, 126, 135, 145, 147, 150, 154, 165, 174, 175, 189, 198, 203, 210, 225, 231, 245, 261, 270, 275, 290, 294, 297, 315, 319, 330, 350, 378, 385, 406, 435, 441, 450, 462, 490, 495, 522, 525, 539, 550, 594, 609, 630, 638, 675, 693, 725, 735, 770, 783, 825, 870, 882, 945, 957, 990, 1015, 1050, 1078, 1155, 1218, 1225, 1305, 1323, 1350, 1386, 1421, 1450, 1470, 1485, 1566, 1575, 1595, 1617, 1650, 1827, 1890, 1914, 1925, 2030, 2079, 2175, 2205, 2233, 2310, 2450, 2475, 2610, 2646, 2695, 2842, 2871, 2970, 3045, 3150, 3190, 3234, 3465, 3654, 3675, 3850, 3915, 4158, 4263, 4350, 4410, 4466, 4725, 4785, 4851, 4950, 5075, 5390, 5481, 5742, 5775, 6090, 6525, 6615, 6699, 6930, 7105, 7350, 7425, 7830, 7975, 8085, 8526, 8613, 9135, 9450, 9570, 9702, 10150, 10395, 10962, 11025, 11165, 11550, 12789, 13050, 13230, 13398, 13475, 14210, 14355, 14553, 14850, 15225, 15631, 15950, 16170, 17226, 17325, 18270, 19575, 20097, 20790, 21315, 22050, 22330, 23925, 24255, 25578, 26950, 27405, 28710, 29106, 30450, 31262, 33075, 33495, 34650, 35525, 38367, 39150, 40194, 40425, 42630, 43065, 45675, 46893, 47850, 48510, 51975, 54810, 55825, 60291, 63945, 66150, 66990, 71050, 71775, 72765, 76734, 78155, 80850, 86130, 91350, 93786, 100485, 103950, 106575, 111650, 120582, 121275, 127890, 137025, 140679, 143550, 145530, 156310, 167475, 191835, 200970, 213150, 215325, 234465, 242550, 274050, 281358, 301455, 319725, 334950, 363825, 383670, 390775, 422037, 430650, 468930, 502425, 602910, 639450, 703395, 727650, 781550, 844074, 959175, 1004850, 1172325, 1406790, 1507275, 1918350, 2110185, 2344650, 3014550, 3516975, 4220370, 7033950, 10550925, 21101850]

約数ペア:

[(1, 21101850), (2, 10550925), (3, 7033950), (5, 4220370), (6, 3516975), (7, 3014550), (9, 2344650), (10, 2110185), (11, 1918350), (14, 1507275), (15, 1406790), (18, 1172325), (21, 1004850), (22, 959175), (25, 844074), (27, 781550), (29, 727650), (30, 703395), (33, 639450), (35, 602910), (42, 502425), (45, 468930), (49, 430650), (50, 422037), (54, 390775), (55, 383670), (58, 363825), (63, 334950), (66, 319725), (70, 301455), (75, 281358), (77, 274050), (87, 242550), (90, 234465), (98, 215325), (99, 213150), (105, 200970), (110, 191835), (126, 167475), (135, 156310), (145, 145530), (147, 143550), (150, 140679), (154, 137025), (165, 127890), (174, 121275), (175, 120582), (189, 111650), (198, 106575), (203, 103950), (210, 100485), (225, 93786), (231, 91350), (245, 86130), (261, 80850), (270, 78155), (275, 76734), (290, 72765), (294, 71775), (297, 71050), (315, 66990), (319, 66150), (330, 63945), (350, 60291), (378, 55825), (385, 54810), (406, 51975), (435, 48510), (441, 47850), (450, 46893), (462, 45675), (490, 43065), (495, 42630), (522, 40425), (525, 40194), (539, 39150), (550, 38367), (594, 35525), (609, 34650), (630, 33495), (638, 33075), (675, 31262), (693, 30450), (725, 29106), (735, 28710), (770, 27405), (783, 26950), (825, 25578), (870, 24255), (882, 23925), (945, 22330), (957, 22050), (990, 21315), (1015, 20790), (1050, 20097), (1078, 19575), (1155, 18270), (1218, 17325), (1225, 17226), (1305, 16170), (1323, 15950), (1350, 15631), (1386, 15225), (1421, 14850), (1450, 14553), (1470, 14355), (1485, 14210), (1566, 13475), (1575, 13398), (1595, 13230), (1617, 13050), (1650, 12789), (1827, 11550), (1890, 11165), (1914, 11025), (1925, 10962), (2030, 10395), (2079, 10150), (2175, 9702), (2205, 9570), (2233, 9450), (2310, 9135), (2450, 8613), (2475, 8526), (2610, 8085), (2646, 7975), (2695, 7830), (2842, 7425), (2871, 7350), (2970, 7105), (3045, 6930), (3150, 6699), (3190, 6615), (3234, 6525), (3465, 6090), (3654, 5775), (3675, 5742), (3850, 5481), (3915, 5390), (4158, 5075), (4263, 4950), (4350, 4851), (4410, 4785), (4466, 4725)]