21853682

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:721

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 11410318

約数列:

[1, 2, 131, 239, 262, 349, 478, 698, 31309, 45719, 62618, 83411, 91438, 166822, 10926841, 21853682]

約数ペア:

[(1, 21853682), (2, 10926841), (131, 166822), (239, 91438), (262, 83411), (349, 62618), (478, 45719), (698, 31309)]