21818356

素因数分解:

$2^2\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1151}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 43739136

約数和(自身を除く): 21920780

約数列:

[1, 2, 4, 7, 14, 28, 677, 1151, 1354, 2302, 2708, 4604, 4739, 8057, 9478, 16114, 18956, 32228, 779227, 1558454, 3116908, 5454589, 10909178, 21818356]

約数ペア:

[(1, 21818356), (2, 10909178), (4, 5454589), (7, 3116908), (14, 1558454), (28, 779227), (677, 32228), (1151, 18956), (1354, 16114), (2302, 9478), (2708, 8057), (4604, 4739)]