21727986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 52005888

約数和(自身を除く): 30277902

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 53, 86, 106, 129, 159, 227, 258, 301, 318, 371, 454, 602, 681, 742, 903, 1113, 1362, 1589, 1806, 2226, 2279, 3178, 4558, 4767, 6837, 9534, 9761, 12031, 13674, 15953, 19522, 24062, 29283, 31906, 36093, 47859, 58566, 68327, 72186, 84217, 95718, 136654, 168434, 204981, 252651, 409962, 505302, 517333, 1034666, 1551999, 3103998, 3621331, 7242662, 10863993, 21727986]

約数ペア:

[(1, 21727986), (2, 10863993), (3, 7242662), (6, 3621331), (7, 3103998), (14, 1551999), (21, 1034666), (42, 517333), (43, 505302), (53, 409962), (86, 252651), (106, 204981), (129, 168434), (159, 136654), (227, 95718), (258, 84217), (301, 72186), (318, 68327), (371, 58566), (454, 47859), (602, 36093), (681, 31906), (742, 29283), (903, 24062), (1113, 19522), (1362, 15953), (1589, 13674), (1806, 12031), (2226, 9761), (2279, 9534), (3178, 6837), (4558, 4767)]