21563322

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2081}}^1$

素因数の和:2254

約数の個数: 32

約数和(自身を含む): 47369664

約数和(自身を除く): 25806342

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 157, 314, 471, 942, 1727, 2081, 3454, 4162, 5181, 6243, 10362, 12486, 22891, 45782, 68673, 137346, 326717, 653434, 980151, 1960302, 3593887, 7187774, 10781661, 21563322]

約数ペア:

[(1, 21563322), (2, 10781661), (3, 7187774), (6, 3593887), (11, 1960302), (22, 980151), (33, 653434), (66, 326717), (157, 137346), (314, 68673), (471, 45782), (942, 22891), (1727, 12486), (2081, 10362), (3454, 6243), (4162, 5181)]