21144808

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{11059}}^1$

素因数の和:11304

約数の個数: 16

約数和(自身を含む): 39816000

約数和(自身を除く): 18671192

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 11059, 22118, 44236, 88472, 2643101, 5286202, 10572404, 21144808]

約数ペア:

[(1, 21144808), (2, 10572404), (4, 5286202), (8, 2643101), (239, 88472), (478, 44236), (956, 22118), (1912, 11059)]