221437894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{21503}}^1$

素因数の和:21795

約数の個数: 16

約数和(自身を含む): 350945280

約数和(自身を除く): 129507386

約数列:

[1, 2, 19, 38, 271, 542, 5149, 10298, 21503, 43006, 408557, 817114, 5827313, 11654626, 110718947, 221437894]

約数ペア:

[(1, 221437894), (2, 110718947), (19, 11654626), (38, 5827313), (271, 817114), (542, 408557), (5149, 43006), (10298, 21503)]