2021850517820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{7879}}^1\times {\mathrm{1832947}}^1$

素因数の和:1840842

約数の個数: 48

約数和(自身を含む): 4853059760640

約数和(自身を除く): 2831209242820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 7879, 15758, 31516, 39395, 55153, 78790, 110306, 157580, 220612, 275765, 551530, 1103060, 1832947, 3665894, 7331788, 9164735, 12830629, 18329470, 25661258, 36658940, 51322516, 64153145, 128306290, 256612580, 14441789413, 28883578826, 57767157652, 72208947065, 101092525891, 144417894130, 202185051782, 288835788260, 404370103564, 505462629455, 1010925258910, 2021850517820]

約数ペア:

[(1, 2021850517820), (2, 1010925258910), (4, 505462629455), (5, 404370103564), (7, 288835788260), (10, 202185051782), (14, 144417894130), (20, 101092525891), (28, 72208947065), (35, 57767157652), (70, 28883578826), (140, 14441789413), (7879, 256612580), (15758, 128306290), (31516, 64153145), (39395, 51322516), (55153, 36658940), (78790, 25661258), (110306, 18329470), (157580, 12830629), (220612, 9164735), (275765, 7331788), (551530, 3665894), (1103060, 1832947)]