21203644

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 47367936

約数和(自身を除く): 26164292

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1601, 1892, 3202, 3311, 6404, 6622, 11207, 13244, 17611, 22414, 35222, 44828, 68843, 70444, 123277, 137686, 246554, 275372, 481901, 493108, 757273, 963802, 1514546, 1927604, 3029092, 5300911, 10601822, 21203644]

約数ペア:

[(1, 21203644), (2, 10601822), (4, 5300911), (7, 3029092), (11, 1927604), (14, 1514546), (22, 963802), (28, 757273), (43, 493108), (44, 481901), (77, 275372), (86, 246554), (154, 137686), (172, 123277), (301, 70444), (308, 68843), (473, 44828), (602, 35222), (946, 22414), (1204, 17611), (1601, 13244), (1892, 11207), (3202, 6622), (3311, 6404)]