21461984

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{5281}}^1$

素因数の和:5418

約数の個数: 24

約数和(自身を含む): 42594048

約数和(自身を除く): 21132064

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 1016, 2032, 4064, 5281, 10562, 21124, 42248, 84496, 168992, 670687, 1341374, 2682748, 5365496, 10730992, 21461984]

約数ペア:

[(1, 21461984), (2, 10730992), (4, 5365496), (8, 2682748), (16, 1341374), (32, 670687), (127, 168992), (254, 84496), (508, 42248), (1016, 21124), (2032, 10562), (4064, 5281)]