21606914

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2801}}^1$

素因数の和:2858

約数の個数: 32

約数和(自身を含む): 40348800

約数和(自身を除く): 18741886

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 2801, 3857, 5602, 7714, 19607, 39214, 53219, 81229, 106438, 162458, 372533, 568603, 745066, 1137206, 1543351, 3086702, 10803457, 21606914]

約数ペア:

[(1, 21606914), (2, 10803457), (7, 3086702), (14, 1543351), (19, 1137206), (29, 745066), (38, 568603), (58, 372533), (133, 162458), (203, 106438), (266, 81229), (406, 53219), (551, 39214), (1102, 19607), (2801, 7714), (3857, 5602)]