21343965550

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{28571}}^1$

素因数の和:28873

約数の個数: 48

約数和(自身を含む): 40474409472

約数和(自身を除く): 19130443922

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 223, 335, 446, 670, 1115, 1675, 2230, 3350, 5575, 11150, 14941, 28571, 29882, 57142, 74705, 142855, 149410, 285710, 373525, 714275, 747050, 1428550, 1914257, 3828514, 6371333, 9571285, 12742666, 19142570, 31856665, 47856425, 63713330, 95712850, 159283325, 318566650, 426879311, 853758622, 2134396555, 4268793110, 10671982775, 21343965550]

約数ペア:

[(1, 21343965550), (2, 10671982775), (5, 4268793110), (10, 2134396555), (25, 853758622), (50, 426879311), (67, 318566650), (134, 159283325), (223, 95712850), (335, 63713330), (446, 47856425), (670, 31856665), (1115, 19142570), (1675, 12742666), (2230, 9571285), (3350, 6371333), (5575, 3828514), (11150, 1914257), (14941, 1428550), (28571, 747050), (29882, 714275), (57142, 373525), (74705, 285710), (142855, 149410)]