21307128

素因数分解:

$2^3\times 3^1\times {\mathrm{227}}^1\times {\mathrm{3911}}^1$

素因数の和:4147

約数の個数: 32

約数和(自身を含む): 53516160

約数和(自身を除く): 32209032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 227, 454, 681, 908, 1362, 1816, 2724, 3911, 5448, 7822, 11733, 15644, 23466, 31288, 46932, 93864, 887797, 1775594, 2663391, 3551188, 5326782, 7102376, 10653564, 21307128]

約数ペア:

[(1, 21307128), (2, 10653564), (3, 7102376), (4, 5326782), (6, 3551188), (8, 2663391), (12, 1775594), (24, 887797), (227, 93864), (454, 46932), (681, 31288), (908, 23466), (1362, 15644), (1816, 11733), (2724, 7822), (3911, 5448)]