21462077

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12413}}^1$

素因数の和:12452

約数の個数: 16

約数和(自身を含む): 27807360

約数和(自身を除く): 6345283

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 12413, 86891, 161369, 235847, 1129583, 1650929, 3066011, 21462077]

約数ペア:

[(1, 21462077), (7, 3066011), (13, 1650929), (19, 1129583), (91, 235847), (133, 161369), (247, 86891), (1729, 12413)]