21692315

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{577}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 26689728

約数和(自身を除く): 4997413

約数列:

[1, 5, 73, 103, 365, 515, 577, 2885, 7519, 37595, 42121, 59431, 210605, 297155, 4338463, 21692315]

約数ペア:

[(1, 21692315), (5, 4338463), (73, 297155), (103, 210605), (365, 59431), (515, 42121), (577, 37595), (2885, 7519)]