21380592

素因数分解:

$2^4\times 3^1\times {\mathrm{383}}^1\times {\mathrm{1163}}^1$

素因数の和:1557

約数の個数: 40

約数和(自身を含む): 55425024

約数和(自身を除く): 34044432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 383, 766, 1149, 1163, 1532, 2298, 2326, 3064, 3489, 4596, 4652, 6128, 6978, 9192, 9304, 13956, 18384, 18608, 27912, 55824, 445429, 890858, 1336287, 1781716, 2672574, 3563432, 5345148, 7126864, 10690296, 21380592]

約数ペア:

[(1, 21380592), (2, 10690296), (3, 7126864), (4, 5345148), (6, 3563432), (8, 2672574), (12, 1781716), (16, 1336287), (24, 890858), (48, 445429), (383, 55824), (766, 27912), (1149, 18608), (1163, 18384), (1532, 13956), (2298, 9304), (2326, 9192), (3064, 6978), (3489, 6128), (4596, 4652)]