21900075

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{10069}}^1$

素因数の和:10111

約数の個数: 24

約数和(自身を含む): 37460400

約数和(自身を除く): 15560325

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 10069, 30207, 50345, 151035, 251725, 292001, 755175, 876003, 1460005, 4380015, 7300025, 21900075]

約数ペア:

[(1, 21900075), (3, 7300025), (5, 4380015), (15, 1460005), (25, 876003), (29, 755175), (75, 292001), (87, 251725), (145, 151035), (435, 50345), (725, 30207), (2175, 10069)]