21963986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{6359}}^1$

素因数の和:6529

約数の個数: 16

約数和(自身を含む): 36175680

約数和(自身を除く): 14211694

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 6359, 12718, 69949, 139898, 998363, 1996726, 10981993, 21963986]

約数ペア:

[(1, 21963986), (2, 10981993), (11, 1996726), (22, 998363), (157, 139898), (314, 69949), (1727, 12718), (3454, 6359)]