21493242

素因数分解:

$2^1\times 3^3\times {\mathrm{398023}}^1$

素因数の和:398034

約数の個数: 16

約数和(自身を含む): 47762880

約数和(自身を除く): 26269638

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 398023, 796046, 1194069, 2388138, 3582207, 7164414, 10746621, 21493242]

約数ペア:

[(1, 21493242), (2, 10746621), (3, 7164414), (6, 3582207), (9, 2388138), (18, 1194069), (27, 796046), (54, 398023)]