21472025

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 27706560

約数和(自身を除く): 6234535

約数列:

[1, 5, 25, 37, 139, 167, 185, 695, 835, 925, 3475, 4175, 5143, 6179, 23213, 25715, 30895, 116065, 128575, 154475, 580325, 858881, 4294405, 21472025]

約数ペア:

[(1, 21472025), (5, 4294405), (25, 858881), (37, 580325), (139, 154475), (167, 128575), (185, 116065), (695, 30895), (835, 25715), (925, 23213), (3475, 6179), (4175, 5143)]