21557766

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{58901}}^1$

素因数の和:58967

約数の個数: 16

約数和(自身を含む): 43823088

約数和(自身を除く): 22265322

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 58901, 117802, 176703, 353406, 3592961, 7185922, 10778883, 21557766]

約数ペア:

[(1, 21557766), (2, 10778883), (3, 7185922), (6, 3592961), (61, 353406), (122, 176703), (183, 117802), (366, 58901)]