21904248

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{6967}}^1$

素因数の和:7107

約数の個数: 32

約数和(自身を含む): 55186560

約数和(自身を除く): 33282312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 6967, 13934, 20901, 27868, 41802, 55736, 83604, 167208, 912677, 1825354, 2738031, 3650708, 5476062, 7301416, 10952124, 21904248]

約数ペア:

[(1, 21904248), (2, 10952124), (3, 7301416), (4, 5476062), (6, 3650708), (8, 2738031), (12, 1825354), (24, 912677), (131, 167208), (262, 83604), (393, 55736), (524, 41802), (786, 27868), (1048, 20901), (1572, 13934), (3144, 6967)]