21702960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:763

約数の個数: 120

約数和(自身を含む): 74687184

約数和(自身を除く): 52984224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 701, 720, 774, 860, 1032, 1290, 1402, 1548, 1720, 1935, 2064, 2103, 2580, 2804, 3096, 3440, 3505, 3870, 4206, 5160, 5608, 6192, 6309, 7010, 7740, 8412, 10320, 10515, 11216, 12618, 14020, 15480, 16824, 21030, 25236, 28040, 30143, 30960, 31545, 33648, 42060, 50472, 56080, 60286, 63090, 84120, 90429, 100944, 120572, 126180, 150715, 168240, 180858, 241144, 252360, 271287, 301430, 361716, 452145, 482288, 504720, 542574, 602860, 723432, 904290, 1085148, 1205720, 1356435, 1446864, 1808580, 2170296, 2411440, 2712870, 3617160, 4340592, 5425740, 7234320, 10851480, 21702960]

約数ペア:

[(1, 21702960), (2, 10851480), (3, 7234320), (4, 5425740), (5, 4340592), (6, 3617160), (8, 2712870), (9, 2411440), (10, 2170296), (12, 1808580), (15, 1446864), (16, 1356435), (18, 1205720), (20, 1085148), (24, 904290), (30, 723432), (36, 602860), (40, 542574), (43, 504720), (45, 482288), (48, 452145), (60, 361716), (72, 301430), (80, 271287), (86, 252360), (90, 241144), (120, 180858), (129, 168240), (144, 150715), (172, 126180), (180, 120572), (215, 100944), (240, 90429), (258, 84120), (344, 63090), (360, 60286), (387, 56080), (430, 50472), (516, 42060), (645, 33648), (688, 31545), (701, 30960), (720, 30143), (774, 28040), (860, 25236), (1032, 21030), (1290, 16824), (1402, 15480), (1548, 14020), (1720, 12618), (1935, 11216), (2064, 10515), (2103, 10320), (2580, 8412), (2804, 7740), (3096, 7010), (3440, 6309), (3505, 6192), (3870, 5608), (4206, 5160)]