21119144

素因数分解:

$2^3\times {\mathrm{307}}^1\times {\mathrm{8599}}^1$

素因数の和:8912

約数の個数: 16

約数和(自身を含む): 39732000

約数和(自身を除く): 18612856

約数列:

[1, 2, 4, 8, 307, 614, 1228, 2456, 8599, 17198, 34396, 68792, 2639893, 5279786, 10559572, 21119144]

約数ペア:

[(1, 21119144), (2, 10559572), (4, 5279786), (8, 2639893), (307, 68792), (614, 34396), (1228, 17198), (2456, 8599)]