21977886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12763}}^1$

素因数の和:12816

約数の個数: 32

約数和(自身を含む): 51464448

約数和(自身を除く): 29486562

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12763, 25526, 38289, 76578, 89341, 178682, 268023, 523283, 536046, 1046566, 1569849, 3139698, 3662981, 7325962, 10988943, 21977886]

約数ペア:

[(1, 21977886), (2, 10988943), (3, 7325962), (6, 3662981), (7, 3139698), (14, 1569849), (21, 1046566), (41, 536046), (42, 523283), (82, 268023), (123, 178682), (246, 89341), (287, 76578), (574, 38289), (861, 25526), (1722, 12763)]