21092375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 32

約数和(自身を含む): 28304640

約数和(自身を除く): 7212265

約数列:

[1, 5, 19, 25, 83, 95, 107, 125, 415, 475, 535, 1577, 2033, 2075, 2375, 2675, 7885, 8881, 10165, 10375, 13375, 39425, 44405, 50825, 168739, 197125, 222025, 254125, 843695, 1110125, 4218475, 21092375]

約数ペア:

[(1, 21092375), (5, 4218475), (19, 1110125), (25, 843695), (83, 254125), (95, 222025), (107, 197125), (125, 168739), (415, 50825), (475, 44405), (535, 39425), (1577, 13375), (2033, 10375), (2075, 10165), (2375, 8881), (2675, 7885)]