21300212

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{827}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 38392704

約数和(自身を除く): 17092492

約数列:

[1, 2, 4, 47, 94, 137, 188, 274, 548, 827, 1654, 3308, 6439, 12878, 25756, 38869, 77738, 113299, 155476, 226598, 453196, 5325053, 10650106, 21300212]

約数ペア:

[(1, 21300212), (2, 10650106), (4, 5325053), (47, 453196), (94, 226598), (137, 155476), (188, 113299), (274, 77738), (548, 38869), (827, 25756), (1654, 12878), (3308, 6439)]