21276836

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26203}}^1$

素因数の和:26243

約数の個数: 24

約数和(自身を含む): 44022720

約数和(自身を除く): 22745884

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26203, 52406, 104812, 183421, 366842, 733684, 759887, 1519774, 3039548, 5319209, 10638418, 21276836]

約数ペア:

[(1, 21276836), (2, 10638418), (4, 5319209), (7, 3039548), (14, 1519774), (28, 759887), (29, 733684), (58, 366842), (116, 183421), (203, 104812), (406, 52406), (812, 26203)]