21994655

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3461}}^1$

素因数の和:3538

約数の個数: 16

約数和(自身を含む): 27917568

約数和(自身を除く): 5922913

約数列:

[1, 5, 31, 41, 155, 205, 1271, 3461, 6355, 17305, 107291, 141901, 536455, 709505, 4398931, 21994655]

約数ペア:

[(1, 21994655), (5, 4398931), (31, 709505), (41, 536455), (155, 141901), (205, 107291), (1271, 17305), (3461, 6355)]