12216421

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 14878080

約数和(自身を除く): 2661659

約数列:

[1, 7, 17, 119, 251, 409, 1757, 2863, 4267, 6953, 29869, 48671, 102659, 718613, 1745203, 12216421]

約数ペア:

[(1, 12216421), (7, 1745203), (17, 718613), (119, 102659), (251, 48671), (409, 29869), (1757, 6953), (2863, 4267)]