21555876

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{78101}}^1$

素因数の和:78131

約数の個数: 24

約数和(自身を含む): 52484544

約数和(自身を除く): 30928668

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 78101, 156202, 234303, 312404, 468606, 937212, 1796323, 3592646, 5388969, 7185292, 10777938, 21555876]

約数ペア:

[(1, 21555876), (2, 10777938), (3, 7185292), (4, 5388969), (6, 3592646), (12, 1796323), (23, 937212), (46, 468606), (69, 312404), (92, 234303), (138, 156202), (276, 78101)]