21861058

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9431}}^1$

素因数の和:9513

約数の個数: 16

約数和(自身を含む): 35087040

約数和(自身を除く): 13225982

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 9431, 18862, 179189, 358378, 575291, 1150582, 10930529, 21861058]

約数ペア:

[(1, 21861058), (2, 10930529), (19, 1150582), (38, 575291), (61, 358378), (122, 179189), (1159, 18862), (2318, 9431)]