21065234

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{1123}}^1$

素因数の和:1321

約数の個数: 16

約数和(自身を含む): 32290272

約数和(自身を除く): 11225038

約数列:

[1, 2, 83, 113, 166, 226, 1123, 2246, 9379, 18758, 93209, 126899, 186418, 253798, 10532617, 21065234]

約数ペア:

[(1, 21065234), (2, 10532617), (83, 253798), (113, 186418), (166, 126899), (226, 93209), (1123, 18758), (2246, 9379)]