21076552

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2309}}^1$

素因数の和:2485

約数の個数: 32

約数和(自身を含む): 45460800

約数和(自身を除く): 24384248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2282, 2309, 4564, 4618, 9128, 9236, 16163, 18472, 32326, 64652, 129304, 376367, 752734, 1505468, 2634569, 3010936, 5269138, 10538276, 21076552]

約数ペア:

[(1, 21076552), (2, 10538276), (4, 5269138), (7, 3010936), (8, 2634569), (14, 1505468), (28, 752734), (56, 376367), (163, 129304), (326, 64652), (652, 32326), (1141, 18472), (1304, 16163), (2282, 9236), (2309, 9128), (4564, 4618)]