21517716

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 59609088

約数和(自身を除く): 38091372

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 43, 44, 51, 66, 68, 86, 102, 129, 132, 172, 187, 204, 223, 258, 374, 446, 473, 516, 561, 669, 731, 748, 892, 946, 1122, 1338, 1419, 1462, 1892, 2193, 2244, 2453, 2676, 2838, 2924, 3791, 4386, 4906, 5676, 7359, 7582, 8041, 8772, 9589, 9812, 11373, 14718, 15164, 16082, 19178, 22746, 24123, 28767, 29436, 32164, 38356, 41701, 45492, 48246, 57534, 83402, 96492, 105479, 115068, 125103, 163013, 166804, 210958, 250206, 316437, 326026, 421916, 489039, 500412, 632874, 652052, 978078, 1265748, 1793143, 1956156, 3586286, 5379429, 7172572, 10758858, 21517716]

約数ペア:

[(1, 21517716), (2, 10758858), (3, 7172572), (4, 5379429), (6, 3586286), (11, 1956156), (12, 1793143), (17, 1265748), (22, 978078), (33, 652052), (34, 632874), (43, 500412), (44, 489039), (51, 421916), (66, 326026), (68, 316437), (86, 250206), (102, 210958), (129, 166804), (132, 163013), (172, 125103), (187, 115068), (204, 105479), (223, 96492), (258, 83402), (374, 57534), (446, 48246), (473, 45492), (516, 41701), (561, 38356), (669, 32164), (731, 29436), (748, 28767), (892, 24123), (946, 22746), (1122, 19178), (1338, 16082), (1419, 15164), (1462, 14718), (1892, 11373), (2193, 9812), (2244, 9589), (2453, 8772), (2676, 8041), (2838, 7582), (2924, 7359), (3791, 5676), (4386, 4906)]