21485087390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9721759}}^1$

素因数の和:9721796

約数の個数: 32

約数和(自身を含む): 44097903360

約数和(自身を除く): 22612815970

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9721759, 19443518, 48608795, 97217590, 126382867, 165269903, 252765734, 330539806, 631914335, 826349515, 1263828670, 1652699030, 2148508739, 4297017478, 10742543695, 21485087390]

約数ペア:

[(1, 21485087390), (2, 10742543695), (5, 4297017478), (10, 2148508739), (13, 1652699030), (17, 1263828670), (26, 826349515), (34, 631914335), (65, 330539806), (85, 252765734), (130, 165269903), (170, 126382867), (221, 97217590), (442, 48608795), (1105, 19443518), (2210, 9721759)]