21177782

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{1129}}^1$

素因数の和:1327

約数の個数: 16

約数和(自身を含む): 32462640

約数和(自身を除く): 11284858

約数列:

[1, 2, 83, 113, 166, 226, 1129, 2258, 9379, 18758, 93707, 127577, 187414, 255154, 10588891, 21177782]

約数ペア:

[(1, 21177782), (2, 10588891), (83, 255154), (113, 187414), (166, 127577), (226, 93707), (1129, 18758), (2258, 9379)]