21666422

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19661}}^1$

素因数の和:19711

約数の個数: 16

約数和(自身を含む): 35391600

約数和(自身を除く): 13725178

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19661, 39322, 373559, 570169, 747118, 1140338, 10833211, 21666422]

約数ペア:

[(1, 21666422), (2, 10833211), (19, 1140338), (29, 747118), (38, 570169), (58, 373559), (551, 39322), (1102, 19661)]