21000608668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2017}}^1\times {\mathrm{200227}}^1$

素因数の和:202261

約数の個数: 24

約数和(自身を含む): 39597890192

約数和(自身を除く): 18597281524

約数列:

[1, 2, 4, 13, 26, 52, 2017, 4034, 8068, 26221, 52442, 104884, 200227, 400454, 800908, 2602951, 5205902, 10411804, 403857859, 807715718, 1615431436, 5250152167, 10500304334, 21000608668]

約数ペア:

[(1, 21000608668), (2, 10500304334), (4, 5250152167), (13, 1615431436), (26, 807715718), (52, 403857859), (2017, 10411804), (4034, 5205902), (8068, 2602951), (26221, 800908), (52442, 400454), (104884, 200227)]