21631425

素因数分解:

$3^1\times 5^2\times {\mathrm{379}}^1\times {\mathrm{761}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 35905440

約数和(自身を除く): 14274015

約数列:

[1, 3, 5, 15, 25, 75, 379, 761, 1137, 1895, 2283, 3805, 5685, 9475, 11415, 19025, 28425, 57075, 288419, 865257, 1442095, 4326285, 7210475, 21631425]

約数ペア:

[(1, 21631425), (3, 7210475), (5, 4326285), (15, 1442095), (25, 865257), (75, 288419), (379, 57075), (761, 28425), (1137, 19025), (1895, 11415), (2283, 9475), (3805, 5685)]