21225457

素因数分解:

${\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:501

約数の個数: 16

約数和(自身を含む): 24033024

約数和(自身を除く): 2807567

約数列:

[1, 11, 37, 121, 407, 431, 1331, 4477, 4741, 15947, 49247, 52151, 175417, 573661, 1929587, 21225457]

約数ペア:

[(1, 21225457), (11, 1929587), (37, 573661), (121, 175417), (407, 52151), (431, 49247), (1331, 15947), (4477, 4741)]