21127722

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 34030038

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 47, 49, 66, 77, 94, 98, 139, 141, 147, 154, 231, 278, 282, 294, 329, 417, 462, 517, 539, 658, 834, 973, 987, 1034, 1078, 1529, 1551, 1617, 1946, 1974, 2303, 2919, 3058, 3102, 3234, 3619, 4587, 4606, 5838, 6533, 6811, 6909, 7238, 9174, 10703, 10857, 13066, 13622, 13818, 19599, 20433, 21406, 21714, 25333, 32109, 39198, 40866, 45731, 50666, 64218, 71863, 74921, 75999, 91462, 137193, 143726, 149842, 151998, 215589, 224763, 274386, 320117, 431178, 449526, 503041, 640234, 960351, 1006082, 1509123, 1920702, 3018246, 3521287, 7042574, 10563861, 21127722]

約数ペア:

[(1, 21127722), (2, 10563861), (3, 7042574), (6, 3521287), (7, 3018246), (11, 1920702), (14, 1509123), (21, 1006082), (22, 960351), (33, 640234), (42, 503041), (47, 449526), (49, 431178), (66, 320117), (77, 274386), (94, 224763), (98, 215589), (139, 151998), (141, 149842), (147, 143726), (154, 137193), (231, 91462), (278, 75999), (282, 74921), (294, 71863), (329, 64218), (417, 50666), (462, 45731), (517, 40866), (539, 39198), (658, 32109), (834, 25333), (973, 21714), (987, 21406), (1034, 20433), (1078, 19599), (1529, 13818), (1551, 13622), (1617, 13066), (1946, 10857), (1974, 10703), (2303, 9174), (2919, 7238), (3058, 6909), (3102, 6811), (3234, 6533), (3619, 5838), (4587, 4606)]