21355010

素因数分解:

$2^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8861}}^1$

素因数の和:9109

約数の個数: 16

約数和(自身を含む): 38602872

約数和(自身を除く): 17247862

約数列:

[1, 2, 5, 10, 241, 482, 1205, 2410, 8861, 17722, 44305, 88610, 2135501, 4271002, 10677505, 21355010]

約数ペア:

[(1, 21355010), (2, 10677505), (5, 4271002), (10, 2135501), (241, 88610), (482, 44305), (1205, 17722), (2410, 8861)]