21174812

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{10007}}^1$

素因数の和:10057

約数の個数: 18

約数和(自身を含む): 38740968

約数和(自身を除く): 17566156

約数列:

[1, 2, 4, 23, 46, 92, 529, 1058, 2116, 10007, 20014, 40028, 230161, 460322, 920644, 5293703, 10587406, 21174812]

約数ペア:

[(1, 21174812), (2, 10587406), (4, 5293703), (23, 920644), (46, 460322), (92, 230161), (529, 40028), (1058, 20014), (2116, 10007)]