21382617

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18229}}^1$

素因数の和:18272

約数の個数: 16

約数和(自身を含む): 31501440

約数和(自身を除く): 10118823

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 18229, 54687, 309893, 419267, 929679, 1257801, 7127539, 21382617]

約数ペア:

[(1, 21382617), (3, 7127539), (17, 1257801), (23, 929679), (51, 419267), (69, 309893), (391, 54687), (1173, 18229)]