21684524

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 38862096

約数和(自身を除く): 17177572

約数列:

[1, 2, 4, 61, 122, 181, 244, 362, 491, 724, 982, 1964, 11041, 22082, 29951, 44164, 59902, 88871, 119804, 177742, 355484, 5421131, 10842262, 21684524]

約数ペア:

[(1, 21684524), (2, 10842262), (4, 5421131), (61, 355484), (122, 177742), (181, 119804), (244, 88871), (362, 59902), (491, 44164), (724, 29951), (982, 22082), (1964, 11041)]