21811222

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3461}}^1$

素因数の和:3623

約数の個数: 16

約数和(自身を含む): 34398432

約数和(自身を除く): 12587210

約数列:

[1, 2, 23, 46, 137, 274, 3151, 3461, 6302, 6922, 79603, 159206, 474157, 948314, 10905611, 21811222]

約数ペア:

[(1, 21811222), (2, 10905611), (23, 948314), (46, 474157), (137, 159206), (274, 79603), (3151, 6922), (3461, 6302)]