21724963

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 24948000

約数和(自身を除く): 3223037

約数列:

[1, 13, 17, 197, 221, 499, 2561, 3349, 6487, 8483, 43537, 98303, 110279, 1277939, 1671151, 21724963]

約数ペア:

[(1, 21724963), (13, 1671151), (17, 1277939), (197, 110279), (221, 98303), (499, 43537), (2561, 8483), (3349, 6487)]