21045666

素因数分解:

$2^1\times 3^1\times {\mathrm{137}}^1\times {\mathrm{25603}}^1$

素因数の和:25745

約数の個数: 16

約数和(自身を含む): 42400224

約数和(自身を除く): 21354558

約数列:

[1, 2, 3, 6, 137, 274, 411, 822, 25603, 51206, 76809, 153618, 3507611, 7015222, 10522833, 21045666]

約数ペア:

[(1, 21045666), (2, 10522833), (3, 7015222), (6, 3507611), (137, 153618), (274, 76809), (411, 51206), (822, 25603)]