21061072

素因数分解:

$2^4\times {\mathrm{373}}^1\times {\mathrm{3529}}^1$

素因数の和:3910

約数の個数: 20

約数和(自身を含む): 40926820

約数和(自身を除く): 19865748

約数列:

[1, 2, 4, 8, 16, 373, 746, 1492, 2984, 3529, 5968, 7058, 14116, 28232, 56464, 1316317, 2632634, 5265268, 10530536, 21061072]

約数ペア:

[(1, 21061072), (2, 10530536), (4, 5265268), (8, 2632634), (16, 1316317), (373, 56464), (746, 28232), (1492, 14116), (2984, 7058), (3529, 5968)]