21088040986

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{283571}}^1$

素因数の和:283714

約数の個数: 24

約数和(自身を含む): 33708770784

約数和(自身を除く): 12620729798

約数列:

[1, 2, 19, 38, 103, 206, 361, 722, 1957, 3914, 37183, 74366, 283571, 567142, 5387849, 10775698, 29207813, 58415626, 102369131, 204738262, 554948447, 1109896894, 10544020493, 21088040986]

約数ペア:

[(1, 21088040986), (2, 10544020493), (19, 1109896894), (38, 554948447), (103, 204738262), (206, 102369131), (361, 58415626), (722, 29207813), (1957, 10775698), (3914, 5387849), (37183, 567142), (74366, 283571)]