21115146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1621}}^1$

素因数の和:1806

約数の個数: 32

約数和(自身を含む): 45779328

約数和(自身を除く): 24664182

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 167, 334, 501, 1002, 1621, 2171, 3242, 4342, 4863, 6513, 9726, 13026, 21073, 42146, 63219, 126438, 270707, 541414, 812121, 1624242, 3519191, 7038382, 10557573, 21115146]

約数ペア:

[(1, 21115146), (2, 10557573), (3, 7038382), (6, 3519191), (13, 1624242), (26, 812121), (39, 541414), (78, 270707), (167, 126438), (334, 63219), (501, 42146), (1002, 21073), (1621, 13026), (2171, 9726), (3242, 6513), (4342, 4863)]