21917196

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:620

約数の個数: 96

約数和(自身を含む): 66286080

約数和(自身を除く): 44368884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 53, 54, 63, 84, 106, 108, 126, 159, 189, 212, 252, 318, 371, 378, 477, 547, 636, 742, 756, 954, 1094, 1113, 1431, 1484, 1641, 1908, 2188, 2226, 2862, 3282, 3339, 3829, 4452, 4923, 5724, 6564, 6678, 7658, 9846, 10017, 11487, 13356, 14769, 15316, 19692, 20034, 22974, 28991, 29538, 34461, 40068, 45948, 57982, 59076, 68922, 86973, 103383, 115964, 137844, 173946, 202937, 206766, 260919, 347892, 405874, 413532, 521838, 608811, 782757, 811748, 1043676, 1217622, 1565514, 1826433, 2435244, 3131028, 3652866, 5479299, 7305732, 10958598, 21917196]

約数ペア:

[(1, 21917196), (2, 10958598), (3, 7305732), (4, 5479299), (6, 3652866), (7, 3131028), (9, 2435244), (12, 1826433), (14, 1565514), (18, 1217622), (21, 1043676), (27, 811748), (28, 782757), (36, 608811), (42, 521838), (53, 413532), (54, 405874), (63, 347892), (84, 260919), (106, 206766), (108, 202937), (126, 173946), (159, 137844), (189, 115964), (212, 103383), (252, 86973), (318, 68922), (371, 59076), (378, 57982), (477, 45948), (547, 40068), (636, 34461), (742, 29538), (756, 28991), (954, 22974), (1094, 20034), (1113, 19692), (1431, 15316), (1484, 14769), (1641, 13356), (1908, 11487), (2188, 10017), (2226, 9846), (2862, 7658), (3282, 6678), (3339, 6564), (3829, 5724), (4452, 4923)]