21438828

素因数分解:

$2^2\times 3^2\times {\mathrm{595523}}^1$

素因数の和:595533

約数の個数: 18

約数和(自身を含む): 54192684

約数和(自身を除く): 32753856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 595523, 1191046, 1786569, 2382092, 3573138, 5359707, 7146276, 10719414, 21438828]

約数ペア:

[(1, 21438828), (2, 10719414), (3, 7146276), (4, 5359707), (6, 3573138), (9, 2382092), (12, 1786569), (18, 1191046), (36, 595523)]