21546612

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 57657600

約数和(自身を除く): 36110988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 43, 62, 86, 93, 124, 129, 172, 186, 258, 279, 372, 387, 449, 516, 558, 774, 898, 1116, 1333, 1347, 1548, 1796, 2666, 2694, 3999, 4041, 5332, 5388, 7998, 8082, 11997, 13919, 15996, 16164, 19307, 23994, 27838, 38614, 41757, 47988, 55676, 57921, 77228, 83514, 115842, 125271, 167028, 173763, 231684, 250542, 347526, 501084, 598517, 695052, 1197034, 1795551, 2394068, 3591102, 5386653, 7182204, 10773306, 21546612]

約数ペア:

[(1, 21546612), (2, 10773306), (3, 7182204), (4, 5386653), (6, 3591102), (9, 2394068), (12, 1795551), (18, 1197034), (31, 695052), (36, 598517), (43, 501084), (62, 347526), (86, 250542), (93, 231684), (124, 173763), (129, 167028), (172, 125271), (186, 115842), (258, 83514), (279, 77228), (372, 57921), (387, 55676), (449, 47988), (516, 41757), (558, 38614), (774, 27838), (898, 23994), (1116, 19307), (1333, 16164), (1347, 15996), (1548, 13919), (1796, 11997), (2666, 8082), (2694, 7998), (3999, 5388), (4041, 5332)]