21902455

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 26943840

約数和(自身を除く): 5041385

約数列:

[1, 5, 83, 89, 415, 445, 593, 2965, 7387, 36935, 49219, 52777, 246095, 263885, 4380491, 21902455]

約数ペア:

[(1, 21902455), (5, 4380491), (83, 263885), (89, 246095), (415, 52777), (445, 49219), (593, 36935), (2965, 7387)]