21965986

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{15233}}^1$

素因数の和:15345

約数の個数: 16

約数和(自身を含む): 38024064

約数和(自身を除く): 16058078

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 15233, 30466, 106631, 213262, 1568999, 3137998, 10982993, 21965986]

約数ペア:

[(1, 21965986), (2, 10982993), (7, 3137998), (14, 1568999), (103, 213262), (206, 106631), (721, 30466), (1442, 15233)]