21886428

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{11617}}^1$

素因数の和:11781

約数の個数: 24

約数和(自身を含む): 51398032

約数和(自身を除く): 29511604

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 11617, 23234, 34851, 46468, 69702, 139404, 1823869, 3647738, 5471607, 7295476, 10943214, 21886428]

約数ペア:

[(1, 21886428), (2, 10943214), (3, 7295476), (4, 5471607), (6, 3647738), (12, 1823869), (157, 139404), (314, 69702), (471, 46468), (628, 34851), (942, 23234), (1884, 11617)]