21054551

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{6101}}^1$

素因数の和:6154

約数の個数: 16

約数和(自身を含む): 26360640

約数和(自身を除く): 5306089

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 6101, 42707, 103717, 176929, 726019, 1238503, 3007793, 21054551]

約数ペア:

[(1, 21054551), (7, 3007793), (17, 1238503), (29, 726019), (119, 176929), (203, 103717), (493, 42707), (3451, 6101)]