21054922

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19037}}^1$

素因数の和:19125

約数の個数: 16

約数和(自身を含む): 36552960

約数和(自身を除く): 15498038

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19037, 38074, 133259, 266518, 1503923, 3007846, 10527461, 21054922]

約数ペア:

[(1, 21054922), (2, 10527461), (7, 3007846), (14, 1503923), (79, 266518), (158, 133259), (553, 38074), (1106, 19037)]