21200994

素因数分解:

$2^1\times 3^3\times {\mathrm{392611}}^1$

素因数の和:392622

約数の個数: 16

約数和(自身を含む): 47113440

約数和(自身を除く): 25912446

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 392611, 785222, 1177833, 2355666, 3533499, 7066998, 10600497, 21200994]

約数ペア:

[(1, 21200994), (2, 10600497), (3, 7066998), (6, 3533499), (9, 2355666), (18, 1177833), (27, 785222), (54, 392611)]