21960885

素因数分解:

$3^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1451}}^1$

素因数の和:2468

約数の個数: 16

約数和(自身を含む): 35196480

約数和(自身を除く): 13235595

約数列:

[1, 3, 5, 15, 1009, 1451, 3027, 4353, 5045, 7255, 15135, 21765, 1464059, 4392177, 7320295, 21960885]

約数ペア:

[(1, 21960885), (3, 7320295), (5, 4392177), (15, 1464059), (1009, 21765), (1451, 15135), (3027, 7255), (4353, 5045)]