21301867

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 23611392

約数和(自身を除く): 2309525

約数列:

[1, 17, 31, 83, 487, 527, 1411, 2573, 8279, 15097, 40421, 43741, 256649, 687157, 1253051, 21301867]

約数ペア:

[(1, 21301867), (17, 1253051), (31, 687157), (83, 256649), (487, 43741), (527, 40421), (1411, 15097), (2573, 8279)]