21209446

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:879

約数の個数: 16

約数和(自身を含む): 32408640

約数和(自身を除く): 11199194

約数列:

[1, 2, 79, 158, 241, 482, 557, 1114, 19039, 38078, 44003, 88006, 134237, 268474, 10604723, 21209446]

約数ペア:

[(1, 21209446), (2, 10604723), (79, 268474), (158, 134237), (241, 88006), (482, 44003), (557, 38078), (1114, 19039)]