21860085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{112103}}^1$

素因数の和:112124

約数の個数: 16

約数和(自身を含む): 37666944

約数和(自身を除く): 15806859

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 112103, 336309, 560515, 1457339, 1681545, 4372017, 7286695, 21860085]

約数ペア:

[(1, 21860085), (3, 7286695), (5, 4372017), (13, 1681545), (15, 1457339), (39, 560515), (65, 336309), (195, 112103)]