2181050576

素因数分解:

$2^4\times {\mathrm{617}}^1\times {\mathrm{220933}}^1$

素因数の和:221558

約数の個数: 20

約数和(自身を含む): 4232653572

約数和(自身を除く): 2051602996

約数列:

[1, 2, 4, 8, 16, 617, 1234, 2468, 4936, 9872, 220933, 441866, 883732, 1767464, 3534928, 136315661, 272631322, 545262644, 1090525288, 2181050576]

約数ペア:

[(1, 2181050576), (2, 1090525288), (4, 545262644), (8, 272631322), (16, 136315661), (617, 3534928), (1234, 1767464), (2468, 883732), (4936, 441866), (9872, 220933)]