21908029

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6661}}^1$

素因数の和:6708

約数の個数: 16

約数和(自身を含む): 26861184

約数和(自身を除く): 4953155

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 6661, 73271, 86593, 153203, 952523, 1685233, 1991639, 21908029]

約数ペア:

[(1, 21908029), (11, 1991639), (13, 1685233), (23, 952523), (143, 153203), (253, 86593), (299, 73271), (3289, 6661)]