21181125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{8069}}^1$

素因数の和:8094

約数の個数: 32

約数和(自身を含む): 40285440

約数和(自身を除く): 19104315

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 2625, 8069, 24207, 40345, 56483, 121035, 169449, 201725, 282415, 605175, 847245, 1008625, 1412075, 3025875, 4236225, 7060375, 21181125]

約数ペア:

[(1, 21181125), (3, 7060375), (5, 4236225), (7, 3025875), (15, 1412075), (21, 1008625), (25, 847245), (35, 605175), (75, 282415), (105, 201725), (125, 169449), (175, 121035), (375, 56483), (525, 40345), (875, 24207), (2625, 8069)]