21543731

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 24718848

約数和(自身を除く): 3175117

約数列:

[1, 11, 37, 43, 407, 473, 1231, 1591, 13541, 17501, 45547, 52933, 501017, 582263, 1958521, 21543731]

約数ペア:

[(1, 21543731), (11, 1958521), (37, 582263), (43, 501017), (407, 52933), (473, 45547), (1231, 17501), (1591, 13541)]