21009080930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{350093}}^1$

素因数の和:350470

約数の個数: 32

約数和(自身を含む): 40154381424

約数和(自身を除く): 19145300494

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 353, 706, 1765, 3530, 6001, 12002, 30005, 60010, 350093, 700186, 1750465, 3500930, 5951581, 11903162, 29757905, 59515810, 123582829, 247165658, 617914145, 1235828290, 2100908093, 4201816186, 10504540465, 21009080930]

約数ペア:

[(1, 21009080930), (2, 10504540465), (5, 4201816186), (10, 2100908093), (17, 1235828290), (34, 617914145), (85, 247165658), (170, 123582829), (353, 59515810), (706, 29757905), (1765, 11903162), (3530, 5951581), (6001, 3500930), (12002, 1750465), (30005, 700186), (60010, 350093)]