21968715

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{18539}}^1$

素因数の和:18626

約数の個数: 16

約数和(自身を含む): 35596800

約数和(自身を除く): 13628085

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 18539, 55617, 92695, 278085, 1464581, 4393743, 7322905, 21968715]

約数ペア:

[(1, 21968715), (3, 7322905), (5, 4393743), (15, 1464581), (79, 278085), (237, 92695), (395, 55617), (1185, 18539)]