21139937288

素因数分解:

$2^3\times {\mathrm{10861}}^1\times {\mathrm{243301}}^1$

素因数の和:254168

約数の個数: 16

約数和(自身を含む): 39641194860

約数和(自身を除く): 18501257572

約数列:

[1, 2, 4, 8, 10861, 21722, 43444, 86888, 243301, 486602, 973204, 1946408, 2642492161, 5284984322, 10569968644, 21139937288]

約数ペア:

[(1, 21139937288), (2, 10569968644), (4, 5284984322), (8, 2642492161), (10861, 1946408), (21722, 973204), (43444, 486602), (86888, 243301)]