21043110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 128

約数和(自身を含む): 60715008

約数和(自身を除く): 39671898

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 31, 33, 34, 51, 55, 62, 66, 85, 93, 102, 110, 121, 155, 165, 170, 186, 187, 242, 255, 310, 330, 341, 363, 374, 465, 510, 527, 561, 605, 682, 726, 930, 935, 1023, 1054, 1122, 1210, 1331, 1581, 1705, 1815, 1870, 2046, 2057, 2635, 2662, 2805, 3162, 3410, 3630, 3751, 3993, 4114, 5115, 5270, 5610, 5797, 6171, 6655, 7502, 7905, 7986, 10230, 10285, 11253, 11594, 12342, 13310, 15810, 17391, 18755, 19965, 20570, 22506, 22627, 28985, 30855, 34782, 37510, 39930, 41261, 45254, 56265, 57970, 61710, 63767, 67881, 82522, 86955, 112530, 113135, 123783, 127534, 135762, 173910, 191301, 206305, 226270, 247566, 318835, 339405, 382602, 412610, 618915, 637670, 678810, 701437, 956505, 1237830, 1402874, 1913010, 2104311, 3507185, 4208622, 7014370, 10521555, 21043110]

約数ペア:

[(1, 21043110), (2, 10521555), (3, 7014370), (5, 4208622), (6, 3507185), (10, 2104311), (11, 1913010), (15, 1402874), (17, 1237830), (22, 956505), (30, 701437), (31, 678810), (33, 637670), (34, 618915), (51, 412610), (55, 382602), (62, 339405), (66, 318835), (85, 247566), (93, 226270), (102, 206305), (110, 191301), (121, 173910), (155, 135762), (165, 127534), (170, 123783), (186, 113135), (187, 112530), (242, 86955), (255, 82522), (310, 67881), (330, 63767), (341, 61710), (363, 57970), (374, 56265), (465, 45254), (510, 41261), (527, 39930), (561, 37510), (605, 34782), (682, 30855), (726, 28985), (930, 22627), (935, 22506), (1023, 20570), (1054, 19965), (1122, 18755), (1210, 17391), (1331, 15810), (1581, 13310), (1705, 12342), (1815, 11594), (1870, 11253), (2046, 10285), (2057, 10230), (2635, 7986), (2662, 7905), (2805, 7502), (3162, 6655), (3410, 6171), (3630, 5797), (3751, 5610), (3993, 5270), (4114, 5115)]