21285730

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{57529}}^1$

素因数の和:57573

約数の個数: 16

約数和(自身を含む): 39350520

約数和(自身を除く): 18064790

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 57529, 115058, 287645, 575290, 2128573, 4257146, 10642865, 21285730]

約数ペア:

[(1, 21285730), (2, 10642865), (5, 4257146), (10, 2128573), (37, 575290), (74, 287645), (185, 115058), (370, 57529)]