21888370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6653}}^1$

素因数の和:6714

約数の個数: 32

約数和(自身を含む): 45992448

約数和(自身を除く): 24104078

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6653, 13306, 33265, 46571, 66530, 93142, 232855, 312691, 465710, 625382, 1563455, 2188837, 3126910, 4377674, 10944185, 21888370]

約数ペア:

[(1, 21888370), (2, 10944185), (5, 4377674), (7, 3126910), (10, 2188837), (14, 1563455), (35, 625382), (47, 465710), (70, 312691), (94, 232855), (235, 93142), (329, 66530), (470, 46571), (658, 33265), (1645, 13306), (3290, 6653)]