21518966

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{14923}}^1$

素因数の和:15035

約数の個数: 16

約数和(自身を含む): 37250304

約数和(自身を除く): 15731338

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 14923, 29846, 104461, 208922, 1537069, 3074138, 10759483, 21518966]

約数ペア:

[(1, 21518966), (2, 10759483), (7, 3074138), (14, 1537069), (103, 208922), (206, 104461), (721, 29846), (1442, 14923)]