21973523

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4153}}^1$

素因数の和:4214

約数の個数: 16

約数和(自身を含む): 26519136

約数和(自身を除く): 4545613

約数列:

[1, 11, 13, 37, 143, 407, 481, 4153, 5291, 45683, 53989, 153661, 593879, 1690271, 1997593, 21973523]

約数ペア:

[(1, 21973523), (11, 1997593), (13, 1690271), (37, 593879), (143, 153661), (407, 53989), (481, 45683), (4153, 5291)]