21938085

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37501}}^1$

素因数の和:37525

約数の個数: 24

約数和(自身を含む): 40952184

約数和(自身を除く): 19014099

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 37501, 112503, 187505, 337509, 487513, 562515, 1462539, 1687545, 2437565, 4387617, 7312695, 21938085]

約数ペア:

[(1, 21938085), (3, 7312695), (5, 4387617), (9, 2437565), (13, 1687545), (15, 1462539), (39, 562515), (45, 487513), (65, 337509), (117, 187505), (195, 112503), (585, 37501)]