21501866

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{1069}}^1$

素因数の和:1273

約数の個数: 16

約数和(自身を含む): 32934600

約数和(自身を除く): 11432734

約数列:

[1, 2, 89, 113, 178, 226, 1069, 2138, 10057, 20114, 95141, 120797, 190282, 241594, 10750933, 21501866]

約数ペア:

[(1, 21501866), (2, 10750933), (89, 241594), (113, 190282), (178, 120797), (226, 95141), (1069, 20114), (2138, 10057)]