21872774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{142031}}^1$

素因数の和:142051

約数の個数: 16

約数和(自身を含む): 40905216

約数和(自身を除く): 19032442

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 142031, 284062, 994217, 1562341, 1988434, 3124682, 10936387, 21872774]

約数ペア:

[(1, 21872774), (2, 10936387), (7, 3124682), (11, 1988434), (14, 1562341), (22, 994217), (77, 284062), (154, 142031)]