21561683

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1151}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 25546752

約数和(自身を除く): 3985069

約数列:

[1, 11, 13, 131, 143, 1151, 1441, 1703, 12661, 14963, 18733, 150781, 164593, 1658591, 1960153, 21561683]

約数ペア:

[(1, 21561683), (11, 1960153), (13, 1658591), (131, 164593), (143, 150781), (1151, 18733), (1441, 14963), (1703, 12661)]