21828235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30529}}^1$

素因数の和:30558

約数の個数: 16

約数和(自身を含む): 30774240

約数和(自身を除く): 8946005

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 30529, 152645, 335819, 396877, 1679095, 1984385, 4365647, 21828235]

約数ペア:

[(1, 21828235), (5, 4365647), (11, 1984385), (13, 1679095), (55, 396877), (65, 335819), (143, 152645), (715, 30529)]