21455276

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 16929364

約数列:

[1, 2, 4, 67, 134, 223, 268, 359, 446, 718, 892, 1436, 14941, 24053, 29882, 48106, 59764, 80057, 96212, 160114, 320228, 5363819, 10727638, 21455276]

約数ペア:

[(1, 21455276), (2, 10727638), (4, 5363819), (67, 320228), (134, 160114), (223, 96212), (268, 80057), (359, 59764), (446, 48106), (718, 29882), (892, 24053), (1436, 14941)]