21333786

素因数分解:

$2^1\times 3^1\times {\mathrm{449}}^1\times {\mathrm{7919}}^1$

素因数の和:8373

約数の個数: 16

約数和(自身を含む): 42768000

約数和(自身を除く): 21434214

約数列:

[1, 2, 3, 6, 449, 898, 1347, 2694, 7919, 15838, 23757, 47514, 3555631, 7111262, 10666893, 21333786]

約数ペア:

[(1, 21333786), (2, 10666893), (3, 7111262), (6, 3555631), (449, 47514), (898, 23757), (1347, 15838), (2694, 7919)]