21616435

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{11057}}^1$

素因数の和:11102

約数の個数: 16

約数和(自身を含む): 28662336

約数和(自身を除く): 7045901

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 11057, 55285, 187969, 254311, 939845, 1271555, 4323287, 21616435]

約数ペア:

[(1, 21616435), (5, 4323287), (17, 1271555), (23, 939845), (85, 254311), (115, 187969), (391, 55285), (1955, 11057)]