21739564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70583}}^1$

素因数の和:70605

約数の個数: 24

約数和(自身を含む): 47432448

約数和(自身を除く): 25692884

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70583, 141166, 282332, 494081, 776413, 988162, 1552826, 1976324, 3105652, 5434891, 10869782, 21739564]

約数ペア:

[(1, 21739564), (2, 10869782), (4, 5434891), (7, 3105652), (11, 1976324), (14, 1552826), (22, 988162), (28, 776413), (44, 494081), (77, 282332), (154, 141166), (308, 70583)]