21900479414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{22543}}^1\times {\mathrm{44159}}^1$

素因数の和:66715

約数の個数: 16

約数和(自身を含む): 35839549440

約数和(自身を除く): 13939070026

約数列:

[1, 2, 11, 22, 22543, 44159, 45086, 88318, 247973, 485749, 495946, 971498, 995476337, 1990952674, 10950239707, 21900479414]

約数ペア:

[(1, 21900479414), (2, 10950239707), (11, 1990952674), (22, 995476337), (22543, 971498), (44159, 495946), (45086, 485749), (88318, 247973)]