21105178510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2399}}^1$

素因数の和:2546

約数の個数: 128

約数和(自身を含む): 44126208000

約数和(自身を除く): 23021029490

約数列:

[1, 2, 5, 10, 13, 26, 31, 37, 59, 62, 65, 74, 118, 130, 155, 185, 295, 310, 370, 403, 481, 590, 767, 806, 962, 1147, 1534, 1829, 2015, 2183, 2294, 2399, 2405, 3658, 3835, 4030, 4366, 4798, 4810, 5735, 7670, 9145, 10915, 11470, 11995, 14911, 18290, 21830, 23777, 23990, 28379, 29822, 31187, 47554, 56758, 62374, 67673, 74369, 74555, 88763, 118885, 135346, 141541, 141895, 148738, 149110, 155935, 177526, 237770, 283082, 283790, 311870, 338365, 371845, 443815, 676730, 707705, 743690, 879749, 887630, 966797, 1153919, 1415410, 1759498, 1840033, 1933594, 2307838, 2751653, 3680066, 4387771, 4398745, 4833985, 5237017, 5503306, 5769595, 8775542, 8797490, 9200165, 9667970, 10474034, 11539190, 13758265, 18400330, 21938855, 26185085, 27516530, 35771489, 43877710, 52370170, 57041023, 68081221, 71542978, 114082046, 136162442, 162347527, 178857445, 285205115, 324695054, 340406105, 357714890, 570410230, 680812210, 811737635, 1623475270, 2110517851, 4221035702, 10552589255, 21105178510]

約数ペア:

[(1, 21105178510), (2, 10552589255), (5, 4221035702), (10, 2110517851), (13, 1623475270), (26, 811737635), (31, 680812210), (37, 570410230), (59, 357714890), (62, 340406105), (65, 324695054), (74, 285205115), (118, 178857445), (130, 162347527), (155, 136162442), (185, 114082046), (295, 71542978), (310, 68081221), (370, 57041023), (403, 52370170), (481, 43877710), (590, 35771489), (767, 27516530), (806, 26185085), (962, 21938855), (1147, 18400330), (1534, 13758265), (1829, 11539190), (2015, 10474034), (2183, 9667970), (2294, 9200165), (2399, 8797490), (2405, 8775542), (3658, 5769595), (3835, 5503306), (4030, 5237017), (4366, 4833985), (4798, 4398745), (4810, 4387771), (5735, 3680066), (7670, 2751653), (9145, 2307838), (10915, 1933594), (11470, 1840033), (11995, 1759498), (14911, 1415410), (18290, 1153919), (21830, 966797), (23777, 887630), (23990, 879749), (28379, 743690), (29822, 707705), (31187, 676730), (47554, 443815), (56758, 371845), (62374, 338365), (67673, 311870), (74369, 283790), (74555, 283082), (88763, 237770), (118885, 177526), (135346, 155935), (141541, 149110), (141895, 148738)]