21088022403

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{5097419}}^1$

素因数の和:5097626

約数の個数: 16

約数和(自身を含む): 32297253120

約数和(自身を除く): 11209230717

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 5097419, 15292257, 35681933, 107045799, 1004191543, 3012574629, 7029340801, 21088022403]

約数ペア:

[(1, 21088022403), (3, 7029340801), (7, 3012574629), (21, 1004191543), (197, 107045799), (591, 35681933), (1379, 15292257), (4137, 5097419)]