21132642

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20359}}^1$

素因数の和:20537

約数の個数: 16

約数和(自身を含む): 42511680

約数和(自身を除く): 21379038

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20359, 40718, 61077, 122154, 3522107, 7044214, 10566321, 21132642]

約数ペア:

[(1, 21132642), (2, 10566321), (3, 7044214), (6, 3522107), (173, 122154), (346, 61077), (519, 40718), (1038, 20359)]