21231404

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3643}}^1$

素因数の和:3725

約数の個数: 24

約数和(自身を含む): 39180288

約数和(自身を除く): 17948884

約数列:

[1, 2, 4, 31, 47, 62, 94, 124, 188, 1457, 2914, 3643, 5828, 7286, 14572, 112933, 171221, 225866, 342442, 451732, 684884, 5307851, 10615702, 21231404]

約数ペア:

[(1, 21231404), (2, 10615702), (4, 5307851), (31, 684884), (47, 451732), (62, 342442), (94, 225866), (124, 171221), (188, 112933), (1457, 14572), (2914, 7286), (3643, 5828)]