21938652

素因数分解:

$2^2\times 3^2\times {\mathrm{609407}}^1$

素因数の和:609417

約数の個数: 18

約数和(自身を含む): 55456128

約数和(自身を除く): 33517476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 609407, 1218814, 1828221, 2437628, 3656442, 5484663, 7312884, 10969326, 21938652]

約数ペア:

[(1, 21938652), (2, 10969326), (3, 7312884), (4, 5484663), (6, 3656442), (9, 2437628), (12, 1828221), (18, 1218814), (36, 609407)]