21384828

素因数分解:

$2^2\times 3^2\times {\mathrm{594023}}^1$

素因数の和:594033

約数の個数: 18

約数和(自身を含む): 54056184

約数和(自身を除く): 32671356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 594023, 1188046, 1782069, 2376092, 3564138, 5346207, 7128276, 10692414, 21384828]

約数ペア:

[(1, 21384828), (2, 10692414), (3, 7128276), (4, 5346207), (6, 3564138), (9, 2376092), (12, 1782069), (18, 1188046), (36, 594023)]