21196078

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{557}}^1$

素因数の和:971

約数の個数: 16

約数和(自身を含む): 32542560

約数和(自身を除く): 11346482

約数列:

[1, 2, 53, 106, 359, 557, 718, 1114, 19027, 29521, 38054, 59042, 199963, 399926, 10598039, 21196078]

約数ペア:

[(1, 21196078), (2, 10598039), (53, 399926), (106, 199963), (359, 59042), (557, 38054), (718, 29521), (1114, 19027)]