21918572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1373}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 41472816

約数和(自身を除く): 19554244

約数列:

[1, 2, 4, 13, 26, 52, 307, 614, 1228, 1373, 2746, 3991, 5492, 7982, 15964, 17849, 35698, 71396, 421511, 843022, 1686044, 5479643, 10959286, 21918572]

約数ペア:

[(1, 21918572), (2, 10959286), (4, 5479643), (13, 1686044), (26, 843022), (52, 421511), (307, 71396), (614, 35698), (1228, 17849), (1373, 15964), (2746, 7982), (3991, 5492)]