21907878

素因数分解:

$2^1\times 3^1\times {\mathrm{181}}^1\times {\mathrm{20173}}^1$

素因数の和:20359

約数の個数: 16

約数和(自身を含む): 44060016

約数和(自身を除く): 22152138

約数列:

[1, 2, 3, 6, 181, 362, 543, 1086, 20173, 40346, 60519, 121038, 3651313, 7302626, 10953939, 21907878]

約数ペア:

[(1, 21907878), (2, 10953939), (3, 7302626), (6, 3651313), (181, 121038), (362, 60519), (543, 40346), (1086, 20173)]