21563406

素因数分解:

$2^1\times 3^2\times {\mathrm{1039}}^1\times {\mathrm{1153}}^1$

素因数の和:2200

約数の個数: 24

約数和(自身を含む): 46806240

約数和(自身を除く): 25242834

約数列:

[1, 2, 3, 6, 9, 18, 1039, 1153, 2078, 2306, 3117, 3459, 6234, 6918, 9351, 10377, 18702, 20754, 1197967, 2395934, 3593901, 7187802, 10781703, 21563406]

約数ペア:

[(1, 21563406), (2, 10781703), (3, 7187802), (6, 3593901), (9, 2395934), (18, 1197967), (1039, 20754), (1153, 18702), (2078, 10377), (2306, 9351), (3117, 6918), (3459, 6234)]