21899654

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{15187}}^1$

素因数の和:15299

約数の個数: 16

約数和(自身を含む): 37909248

約数和(自身を除く): 16009594

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 15187, 30374, 106309, 212618, 1564261, 3128522, 10949827, 21899654]

約数ペア:

[(1, 21899654), (2, 10949827), (7, 3128522), (14, 1564261), (103, 212618), (206, 106309), (721, 30374), (1442, 15187)]