21096248

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{6779}}^1$

素因数の和:7174

約数の個数: 16

約数和(自身を含む): 39663000

約数和(自身を除く): 18566752

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 6779, 13558, 27116, 54232, 2637031, 5274062, 10548124, 21096248]

約数ペア:

[(1, 21096248), (2, 10548124), (4, 5274062), (8, 2637031), (389, 54232), (778, 27116), (1556, 13558), (3112, 6779)]