21538875

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{3023}}^1$

素因数の和:3060

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16200645

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 3023, 7125, 9069, 15115, 45345, 57437, 75575, 172311, 226725, 287185, 377875, 861555, 1133625, 1435925, 4307775, 7179625, 21538875]

約数ペア:

[(1, 21538875), (3, 7179625), (5, 4307775), (15, 1435925), (19, 1133625), (25, 861555), (57, 377875), (75, 287185), (95, 226725), (125, 172311), (285, 75575), (375, 57437), (475, 45345), (1425, 15115), (2375, 9069), (3023, 7125)]