21138252

素因数分解:

$2^2\times 3^1\times {\mathrm{727}}^1\times {\mathrm{2423}}^1$

素因数の和:3157

約数の個数: 24

約数和(自身を含む): 49410816

約数和(自身を除く): 28272564

約数列:

[1, 2, 3, 4, 6, 12, 727, 1454, 2181, 2423, 2908, 4362, 4846, 7269, 8724, 9692, 14538, 29076, 1761521, 3523042, 5284563, 7046084, 10569126, 21138252]

約数ペア:

[(1, 21138252), (2, 10569126), (3, 7046084), (4, 5284563), (6, 3523042), (12, 1761521), (727, 29076), (1454, 14538), (2181, 9692), (2423, 8724), (2908, 7269), (4362, 4846)]