21456612

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{14537}}^1$

素因数の和:14588

約数の個数: 36

約数和(自身を含む): 55564236

約数和(自身を除く): 34107624

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 14537, 29074, 43611, 58148, 87222, 130833, 174444, 261666, 523332, 596017, 1192034, 1788051, 2384068, 3576102, 5364153, 7152204, 10728306, 21456612]

約数ペア:

[(1, 21456612), (2, 10728306), (3, 7152204), (4, 5364153), (6, 3576102), (9, 2384068), (12, 1788051), (18, 1192034), (36, 596017), (41, 523332), (82, 261666), (123, 174444), (164, 130833), (246, 87222), (369, 58148), (492, 43611), (738, 29074), (1476, 14537)]