21652006312

素因数分解:

$2^3\times {\mathrm{3331}}^1\times {\mathrm{812519}}^1$

素因数の和:815856

約数の個数: 16

約数和(自身を含む): 40609749600

約数和(自身を除く): 18957743288

約数列:

[1, 2, 4, 8, 3331, 6662, 13324, 26648, 812519, 1625038, 3250076, 6500152, 2706500789, 5413001578, 10826003156, 21652006312]

約数ペア:

[(1, 21652006312), (2, 10826003156), (4, 5413001578), (8, 2706500789), (3331, 6500152), (6662, 3250076), (13324, 1625038), (26648, 812519)]