21130759

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 23575552

約数和(自身を除く): 2444793

約数列:

[1, 13, 43, 103, 367, 559, 1339, 4429, 4771, 15781, 37801, 57577, 205153, 491413, 1625443, 21130759]

約数ペア:

[(1, 21130759), (13, 1625443), (43, 491413), (103, 205153), (367, 57577), (559, 37801), (1339, 15781), (4429, 4771)]