21404202385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1249151}}^1$

素因数の和:1249328

約数の個数: 16

約数和(自身を含む): 26981683200

約数和(自身を除く): 5577480815

約数列:

[1, 5, 23, 115, 149, 745, 3427, 17135, 1249151, 6245755, 28730473, 143652365, 186123499, 930617495, 4280840477, 21404202385]

約数ペア:

[(1, 21404202385), (5, 4280840477), (23, 930617495), (115, 186123499), (149, 143652365), (745, 28730473), (3427, 6245755), (17135, 1249151)]