20211512

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{42821}}^1$

素因数の和:42886

約数の個数: 16

約数和(自身を含む): 38539800

約数和(自身を除く): 18328288

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 42821, 85642, 171284, 342568, 2526439, 5052878, 10105756, 20211512]

約数ペア:

[(1, 20211512), (2, 10105756), (4, 5052878), (8, 2526439), (59, 342568), (118, 171284), (236, 85642), (472, 42821)]