21814786

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53731}}^1$

素因数の和:53769

約数の個数: 16

約数和(自身を含む): 38687040

約数和(自身を除く): 16872254

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53731, 107462, 376117, 752234, 1558199, 3116398, 10907393, 21814786]

約数ペア:

[(1, 21814786), (2, 10907393), (7, 3116398), (14, 1558199), (29, 752234), (58, 376117), (203, 107462), (406, 53731)]