21398307838

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{6763}}^1\times {\mathrm{36791}}^1$

素因数の和:43599

約数の個数: 16

約数和(自身を含む): 32849663616

約数和(自身を除く): 11451355778

約数列:

[1, 2, 43, 86, 6763, 13526, 36791, 73582, 290809, 581618, 1582013, 3164026, 248817533, 497635066, 10699153919, 21398307838]

約数ペア:

[(1, 21398307838), (2, 10699153919), (43, 497635066), (86, 248817533), (6763, 3164026), (13526, 1582013), (36791, 581618), (73582, 290809)]