21115476

素因数分解:

$2^2\times 3^2\times {\mathrm{586541}}^1$

素因数の和:586551

約数の個数: 18

約数和(自身を含む): 53375322

約数和(自身を除く): 32259846

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 586541, 1173082, 1759623, 2346164, 3519246, 5278869, 7038492, 10557738, 21115476]

約数ペア:

[(1, 21115476), (2, 10557738), (3, 7038492), (4, 5278869), (6, 3519246), (9, 2346164), (12, 1759623), (18, 1173082), (36, 586541)]