21702291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{2309}}^1$

素因数の和:2566

約数の個数: 16

約数和(自身を含む): 31305120

約数和(自身を除く): 9602829

約数列:

[1, 3, 13, 39, 241, 723, 2309, 3133, 6927, 9399, 30017, 90051, 556469, 1669407, 7234097, 21702291]

約数ペア:

[(1, 21702291), (3, 7234097), (13, 1669407), (39, 556469), (241, 90051), (723, 30017), (2309, 9399), (3133, 6927)]