21946125

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1422

約数の個数: 32

約数和(自身を含む): 37395072

約数和(自身を除く): 15448947

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 645, 1075, 1361, 3225, 4083, 5375, 6805, 16125, 20415, 34025, 58523, 102075, 170125, 175569, 292615, 510375, 877845, 1463075, 4389225, 7315375, 21946125]

約数ペア:

[(1, 21946125), (3, 7315375), (5, 4389225), (15, 1463075), (25, 877845), (43, 510375), (75, 292615), (125, 175569), (129, 170125), (215, 102075), (375, 58523), (645, 34025), (1075, 20415), (1361, 16125), (3225, 6805), (4083, 5375)]