21072524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11681}}^1$

素因数の和:11737

約数の個数: 24

約数和(自身を含む): 41214096

約数和(自身を除く): 20141572

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11681, 23362, 46724, 128491, 256982, 478921, 513964, 957842, 1915684, 5268131, 10536262, 21072524]

約数ペア:

[(1, 21072524), (2, 10536262), (4, 5268131), (11, 1915684), (22, 957842), (41, 513964), (44, 478921), (82, 256982), (164, 128491), (451, 46724), (902, 23362), (1804, 11681)]