21242843

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 23452416

約数和(自身を除く): 2209573

約数列:

[1, 17, 31, 173, 233, 527, 2941, 3961, 5363, 7223, 40309, 91171, 122791, 685253, 1249579, 21242843]

約数ペア:

[(1, 21242843), (17, 1249579), (31, 685253), (173, 122791), (233, 91171), (527, 40309), (2941, 7223), (3961, 5363)]