21165508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58147}}^1$

素因数の和:58171

約数の個数: 24

約数和(自身を含む): 45588032

約数和(自身を除く): 24422524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58147, 116294, 232588, 407029, 755911, 814058, 1511822, 1628116, 3023644, 5291377, 10582754, 21165508]

約数ペア:

[(1, 21165508), (2, 10582754), (4, 5291377), (7, 3023644), (13, 1628116), (14, 1511822), (26, 814058), (28, 755911), (52, 407029), (91, 232588), (182, 116294), (364, 58147)]