21923680

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 52091424

約数和(自身を除く): 30167744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 521, 526, 1042, 1052, 1315, 2084, 2104, 2605, 2630, 4168, 4208, 5210, 5260, 8336, 8416, 10420, 10520, 16672, 20840, 21040, 41680, 42080, 83360, 137023, 274046, 548092, 685115, 1096184, 1370230, 2192368, 2740460, 4384736, 5480920, 10961840, 21923680]

約数ペア:

[(1, 21923680), (2, 10961840), (4, 5480920), (5, 4384736), (8, 2740460), (10, 2192368), (16, 1370230), (20, 1096184), (32, 685115), (40, 548092), (80, 274046), (160, 137023), (263, 83360), (521, 42080), (526, 41680), (1042, 21040), (1052, 20840), (1315, 16672), (2084, 10520), (2104, 10420), (2605, 8416), (2630, 8336), (4168, 5260), (4208, 5210)]