21585016

素因数分解:

$2^3\times {\mathrm{1031}}^1\times {\mathrm{2617}}^1$

素因数の和:3654

約数の個数: 16

約数和(自身を含む): 40526640

約数和(自身を除く): 18941624

約数列:

[1, 2, 4, 8, 1031, 2062, 2617, 4124, 5234, 8248, 10468, 20936, 2698127, 5396254, 10792508, 21585016]

約数ペア:

[(1, 21585016), (2, 10792508), (4, 5396254), (8, 2698127), (1031, 20936), (2062, 10468), (2617, 8248), (4124, 5234)]