21117804958

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1\times {\mathrm{212671}}^1$

素因数の和:213183

約数の個数: 16

約数和(自身を含む): 32002882560

約数和(自身を除く): 10885077602

約数列:

[1, 2, 131, 262, 379, 758, 49649, 99298, 212671, 425342, 27859901, 55719802, 80602309, 161204618, 10558902479, 21117804958]

約数ペア:

[(1, 21117804958), (2, 10558902479), (131, 161204618), (262, 80602309), (379, 55719802), (758, 27859901), (49649, 425342), (99298, 212671)]