21501090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 192

約数和(自身を含む): 67931136

約数和(自身を除く): 46430046

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 23, 26, 30, 34, 39, 45, 46, 47, 51, 65, 69, 78, 85, 90, 94, 102, 115, 117, 130, 138, 141, 153, 170, 195, 207, 221, 230, 234, 235, 255, 282, 299, 306, 345, 390, 391, 414, 423, 442, 470, 510, 585, 598, 611, 663, 690, 705, 765, 782, 799, 846, 897, 1035, 1081, 1105, 1170, 1173, 1222, 1326, 1410, 1495, 1530, 1598, 1794, 1833, 1955, 1989, 2070, 2115, 2162, 2210, 2346, 2397, 2691, 2990, 3055, 3243, 3315, 3519, 3666, 3910, 3978, 3995, 4230, 4485, 4794, 5083, 5382, 5405, 5499, 5865, 6110, 6486, 6630, 7038, 7191, 7990, 8970, 9165, 9729, 9945, 10166, 10387, 10810, 10998, 11730, 11985, 13455, 14053, 14382, 15249, 16215, 17595, 18330, 18377, 19458, 19890, 20774, 23970, 25415, 26910, 27495, 28106, 30498, 31161, 32430, 35190, 35955, 36754, 42159, 45747, 48645, 50830, 51935, 54990, 55131, 62322, 70265, 71910, 76245, 84318, 91494, 91885, 93483, 97290, 103870, 110262, 126477, 140530, 152490, 155805, 165393, 183770, 186966, 210795, 228735, 238901, 252954, 275655, 311610, 330786, 421590, 457470, 467415, 477802, 551310, 632385, 716703, 826965, 934830, 1194505, 1264770, 1433406, 1653930, 2150109, 2389010, 3583515, 4300218, 7167030, 10750545, 21501090]

約数ペア:

[(1, 21501090), (2, 10750545), (3, 7167030), (5, 4300218), (6, 3583515), (9, 2389010), (10, 2150109), (13, 1653930), (15, 1433406), (17, 1264770), (18, 1194505), (23, 934830), (26, 826965), (30, 716703), (34, 632385), (39, 551310), (45, 477802), (46, 467415), (47, 457470), (51, 421590), (65, 330786), (69, 311610), (78, 275655), (85, 252954), (90, 238901), (94, 228735), (102, 210795), (115, 186966), (117, 183770), (130, 165393), (138, 155805), (141, 152490), (153, 140530), (170, 126477), (195, 110262), (207, 103870), (221, 97290), (230, 93483), (234, 91885), (235, 91494), (255, 84318), (282, 76245), (299, 71910), (306, 70265), (345, 62322), (390, 55131), (391, 54990), (414, 51935), (423, 50830), (442, 48645), (470, 45747), (510, 42159), (585, 36754), (598, 35955), (611, 35190), (663, 32430), (690, 31161), (705, 30498), (765, 28106), (782, 27495), (799, 26910), (846, 25415), (897, 23970), (1035, 20774), (1081, 19890), (1105, 19458), (1170, 18377), (1173, 18330), (1222, 17595), (1326, 16215), (1410, 15249), (1495, 14382), (1530, 14053), (1598, 13455), (1794, 11985), (1833, 11730), (1955, 10998), (1989, 10810), (2070, 10387), (2115, 10166), (2162, 9945), (2210, 9729), (2346, 9165), (2397, 8970), (2691, 7990), (2990, 7191), (3055, 7038), (3243, 6630), (3315, 6486), (3519, 6110), (3666, 5865), (3910, 5499), (3978, 5405), (3995, 5382), (4230, 5083), (4485, 4794)]