21662550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:84

約数の個数: 216

約数和(自身を含む): 74880624

約数和(自身を除く): 53218074

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 23, 25, 26, 30, 35, 39, 42, 45, 46, 50, 63, 65, 69, 70, 75, 78, 90, 91, 105, 115, 117, 126, 130, 138, 150, 161, 175, 182, 195, 207, 210, 225, 230, 234, 273, 299, 315, 322, 325, 345, 350, 390, 414, 450, 455, 483, 525, 529, 546, 575, 585, 598, 630, 650, 690, 805, 819, 897, 910, 966, 975, 1035, 1050, 1058, 1150, 1170, 1365, 1449, 1495, 1575, 1587, 1610, 1638, 1725, 1794, 1950, 2070, 2093, 2275, 2415, 2645, 2691, 2730, 2898, 2925, 2990, 3150, 3174, 3450, 3703, 4025, 4095, 4186, 4485, 4550, 4761, 4830, 5175, 5290, 5382, 5850, 6279, 6825, 6877, 7245, 7406, 7475, 7935, 8050, 8190, 8970, 9522, 10350, 10465, 11109, 12075, 12558, 13225, 13455, 13650, 13754, 14490, 14950, 15870, 18515, 18837, 20475, 20631, 20930, 22218, 22425, 23805, 24150, 26450, 26910, 31395, 33327, 34385, 36225, 37030, 37674, 39675, 40950, 41262, 44850, 47610, 48139, 52325, 55545, 61893, 62790, 66654, 67275, 68770, 72450, 79350, 92575, 94185, 96278, 103155, 104650, 111090, 119025, 123786, 134550, 144417, 156975, 166635, 171925, 185150, 188370, 206310, 238050, 240695, 277725, 288834, 309465, 313950, 333270, 343850, 433251, 470925, 481390, 515775, 555450, 618930, 722085, 833175, 866502, 941850, 1031550, 1203475, 1444170, 1547325, 1666350, 2166255, 2406950, 3094650, 3610425, 4332510, 7220850, 10831275, 21662550]

約数ペア:

[(1, 21662550), (2, 10831275), (3, 7220850), (5, 4332510), (6, 3610425), (7, 3094650), (9, 2406950), (10, 2166255), (13, 1666350), (14, 1547325), (15, 1444170), (18, 1203475), (21, 1031550), (23, 941850), (25, 866502), (26, 833175), (30, 722085), (35, 618930), (39, 555450), (42, 515775), (45, 481390), (46, 470925), (50, 433251), (63, 343850), (65, 333270), (69, 313950), (70, 309465), (75, 288834), (78, 277725), (90, 240695), (91, 238050), (105, 206310), (115, 188370), (117, 185150), (126, 171925), (130, 166635), (138, 156975), (150, 144417), (161, 134550), (175, 123786), (182, 119025), (195, 111090), (207, 104650), (210, 103155), (225, 96278), (230, 94185), (234, 92575), (273, 79350), (299, 72450), (315, 68770), (322, 67275), (325, 66654), (345, 62790), (350, 61893), (390, 55545), (414, 52325), (450, 48139), (455, 47610), (483, 44850), (525, 41262), (529, 40950), (546, 39675), (575, 37674), (585, 37030), (598, 36225), (630, 34385), (650, 33327), (690, 31395), (805, 26910), (819, 26450), (897, 24150), (910, 23805), (966, 22425), (975, 22218), (1035, 20930), (1050, 20631), (1058, 20475), (1150, 18837), (1170, 18515), (1365, 15870), (1449, 14950), (1495, 14490), (1575, 13754), (1587, 13650), (1610, 13455), (1638, 13225), (1725, 12558), (1794, 12075), (1950, 11109), (2070, 10465), (2093, 10350), (2275, 9522), (2415, 8970), (2645, 8190), (2691, 8050), (2730, 7935), (2898, 7475), (2925, 7406), (2990, 7245), (3150, 6877), (3174, 6825), (3450, 6279), (3703, 5850), (4025, 5382), (4095, 5290), (4186, 5175), (4485, 4830), (4550, 4761)]