21850580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13163}}^1$

素因数の和:13255

約数の個数: 24

約数和(自身を含む): 46442592

約数和(自身を除く): 24592012

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 13163, 26326, 52652, 65815, 131630, 263260, 1092529, 2185058, 4370116, 5462645, 10925290, 21850580]

約数ペア:

[(1, 21850580), (2, 10925290), (4, 5462645), (5, 4370116), (10, 2185058), (20, 1092529), (83, 263260), (166, 131630), (332, 65815), (415, 52652), (830, 26326), (1660, 13163)]