21528068

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{373}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 38704512

約数和(自身を除く): 17176444

約数列:

[1, 2, 4, 47, 94, 188, 307, 373, 614, 746, 1228, 1492, 14429, 17531, 28858, 35062, 57716, 70124, 114511, 229022, 458044, 5382017, 10764034, 21528068]

約数ペア:

[(1, 21528068), (2, 10764034), (4, 5382017), (47, 458044), (94, 229022), (188, 114511), (307, 70124), (373, 57716), (614, 35062), (746, 28858), (1228, 17531), (1492, 14429)]