21782266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9803}}^1$

素因数の和:9917

約数の個数: 16

約数和(自身を含む): 36000288

約数和(自身を除く): 14218022

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9803, 19606, 107833, 215666, 990103, 1980206, 10891133, 21782266]

約数ペア:

[(1, 21782266), (2, 10891133), (11, 1980206), (22, 990103), (101, 215666), (202, 107833), (1111, 19606), (2222, 9803)]