21013603

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:582

約数の個数: 16

約数和(自身を含む): 23637600

約数和(自身を除く): 2623997

約数列:

[1, 13, 29, 139, 377, 401, 1807, 4031, 5213, 11629, 52403, 55739, 151177, 724607, 1616431, 21013603]

約数ペア:

[(1, 21013603), (13, 1616431), (29, 724607), (139, 151177), (377, 55739), (401, 52403), (1807, 11629), (4031, 5213)]