21969370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{4153}}^1$

素因数の和:4206

約数の個数: 24

約数和(自身を含む): 41348916

約数和(自身を除く): 19379546

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 4153, 5290, 8306, 20765, 41530, 95519, 191038, 477595, 955190, 2196937, 4393874, 10984685, 21969370]

約数ペア:

[(1, 21969370), (2, 10984685), (5, 4393874), (10, 2196937), (23, 955190), (46, 477595), (115, 191038), (230, 95519), (529, 41530), (1058, 20765), (2645, 8306), (4153, 5290)]