21631071

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3229}}^1$

素因数の和:3279

約数の個数: 32

約数和(自身を含む): 37209600

約数和(自身を除く): 15578529

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 3229, 6699, 9687, 22603, 35519, 67809, 93641, 106557, 248633, 280923, 655487, 745899, 1030051, 1966461, 3090153, 7210357, 21631071]

約数ペア:

[(1, 21631071), (3, 7210357), (7, 3090153), (11, 1966461), (21, 1030051), (29, 745899), (33, 655487), (77, 280923), (87, 248633), (203, 106557), (231, 93641), (319, 67809), (609, 35519), (957, 22603), (2233, 9687), (3229, 6699)]