21180778754

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4755451}}^1$

素因数の和:4755601

約数の個数: 16

約数和(自身を含む): 33896861856

約数和(自身を除く): 12716083102

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 4755451, 9510902, 80842667, 161685334, 622964081, 1245928162, 10590389377, 21180778754]

約数ペア:

[(1, 21180778754), (2, 10590389377), (17, 1245928162), (34, 622964081), (131, 161685334), (262, 80842667), (2227, 9510902), (4454, 4755451)]