21582872

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 41698800

約数和(自身を除く): 20115928

約数列:

[1, 2, 4, 8, 53, 106, 109, 212, 218, 424, 436, 467, 872, 934, 1868, 3736, 5777, 11554, 23108, 24751, 46216, 49502, 50903, 99004, 101806, 198008, 203612, 407224, 2697859, 5395718, 10791436, 21582872]

約数ペア:

[(1, 21582872), (2, 10791436), (4, 5395718), (8, 2697859), (53, 407224), (106, 203612), (109, 198008), (212, 101806), (218, 99004), (424, 50903), (436, 49502), (467, 46216), (872, 24751), (934, 23108), (1868, 11554), (3736, 5777)]