21730408084

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{52223}}^1$

素因数の和:52445

約数の個数: 72

約数和(自身を含む): 48509411328

約数和(自身を除く): 26779003244

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 193, 196, 308, 386, 539, 772, 1078, 1351, 2123, 2156, 2702, 4246, 5404, 8492, 9457, 14861, 18914, 29722, 37828, 52223, 59444, 104027, 104446, 208054, 208892, 365561, 416108, 574453, 731122, 1148906, 1462244, 2297812, 2558927, 4021171, 5117854, 8042342, 10079039, 10235708, 16084684, 20158078, 28148197, 40316156, 56296394, 70553273, 110869429, 112592788, 141106546, 221738858, 282213092, 443477716, 493872911, 776086003, 987745822, 1552172006, 1975491644, 3104344012, 5432602021, 10865204042, 21730408084]

約数ペア:

[(1, 21730408084), (2, 10865204042), (4, 5432602021), (7, 3104344012), (11, 1975491644), (14, 1552172006), (22, 987745822), (28, 776086003), (44, 493872911), (49, 443477716), (77, 282213092), (98, 221738858), (154, 141106546), (193, 112592788), (196, 110869429), (308, 70553273), (386, 56296394), (539, 40316156), (772, 28148197), (1078, 20158078), (1351, 16084684), (2123, 10235708), (2156, 10079039), (2702, 8042342), (4246, 5117854), (5404, 4021171), (8492, 2558927), (9457, 2297812), (14861, 1462244), (18914, 1148906), (29722, 731122), (37828, 574453), (52223, 416108), (59444, 365561), (104027, 208892), (104446, 208054)]