21544393

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 24103296

約数和(自身を除く): 2558903

約数列:

[1, 13, 41, 83, 487, 533, 1079, 3403, 6331, 19967, 40421, 44239, 259571, 525473, 1657261, 21544393]

約数ペア:

[(1, 21544393), (13, 1657261), (41, 525473), (83, 259571), (487, 44239), (533, 40421), (1079, 19967), (3403, 6331)]