21097142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6899}}^1$

素因数の和:7051

約数の個数: 16

約数和(自身を含む): 34776000

約数和(自身を除く): 13678858

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6899, 13798, 75889, 151778, 958961, 1917922, 10548571, 21097142]

約数ペア:

[(1, 21097142), (2, 10548571), (11, 1917922), (22, 958961), (139, 151778), (278, 75889), (1529, 13798), (3058, 6899)]