21866675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2237}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 29971296

約数和(自身を除く): 8104621

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 2237, 9775, 11185, 38029, 51451, 55925, 190145, 257255, 874667, 950725, 1286275, 4373335, 21866675]

約数ペア:

[(1, 21866675), (5, 4373335), (17, 1286275), (23, 950725), (25, 874667), (85, 257255), (115, 190145), (391, 55925), (425, 51451), (575, 38029), (1955, 11185), (2237, 9775)]