21153075

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3169}}^1$

素因数の和:3271

約数の個数: 24

約数和(自身を含む): 35377200

約数和(自身を除く): 14224125

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 3169, 6675, 9507, 15845, 47535, 79225, 237675, 282041, 846123, 1410205, 4230615, 7051025, 21153075]

約数ペア:

[(1, 21153075), (3, 7051025), (5, 4230615), (15, 1410205), (25, 846123), (75, 282041), (89, 237675), (267, 79225), (445, 47535), (1335, 15845), (2225, 9507), (3169, 6675)]