21408049

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 24606288

約数和(自身を除く): 3198239

約数列:

[1, 13, 17, 157, 221, 617, 2041, 2669, 8021, 10489, 34697, 96869, 136357, 1259297, 1646773, 21408049]

約数ペア:

[(1, 21408049), (13, 1646773), (17, 1259297), (157, 136357), (221, 96869), (617, 34697), (2041, 10489), (2669, 8021)]