21673533

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3137}}^1$

素因数の和:3201

約数の個数: 24

約数和(自身を含む): 34342272

約数和(自身を除く): 12668739

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 3137, 6909, 9411, 21959, 65877, 147439, 153713, 442317, 461139, 1032073, 3096219, 7224511, 21673533]

約数ペア:

[(1, 21673533), (3, 7224511), (7, 3096219), (21, 1032073), (47, 461139), (49, 442317), (141, 153713), (147, 147439), (329, 65877), (987, 21959), (2303, 9411), (3137, 6909)]