21207464879

素因数分解:

${\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{937}}^1\times {\mathrm{1213}}^1$

素因数の和:2594

約数の個数: 16

約数和(自身を含む): 21754336128

約数和(自身を除く): 546871249

約数列:

[1, 47, 397, 937, 1213, 18659, 44039, 57011, 371989, 481561, 1136581, 17483483, 22633367, 53419307, 451222657, 21207464879]

約数ペア:

[(1, 21207464879), (47, 451222657), (397, 53419307), (937, 22633367), (1213, 17483483), (18659, 1136581), (44039, 481561), (57011, 371989)]