21627475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 28971360

約数和(自身を除く): 7343885

約数列:

[1, 5, 23, 25, 29, 115, 145, 575, 667, 725, 1297, 3335, 6485, 16675, 29831, 32425, 37613, 149155, 188065, 745775, 865099, 940325, 4325495, 21627475]

約数ペア:

[(1, 21627475), (5, 4325495), (23, 940325), (25, 865099), (29, 745775), (115, 188065), (145, 149155), (575, 37613), (667, 32425), (725, 29831), (1297, 16675), (3335, 6485)]