21492504

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2467}}^1$

素因数の和:2501

約数の個数: 72

約数和(自身を含む): 64007580

約数和(自身を除く): 42515076

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2467, 2904, 4356, 4934, 7401, 8712, 9868, 14802, 19736, 22203, 27137, 29604, 44406, 54274, 59208, 81411, 88812, 108548, 162822, 177624, 217096, 244233, 298507, 325644, 488466, 597014, 651288, 895521, 976932, 1194028, 1791042, 1953864, 2388056, 2686563, 3582084, 5373126, 7164168, 10746252, 21492504]

約数ペア:

[(1, 21492504), (2, 10746252), (3, 7164168), (4, 5373126), (6, 3582084), (8, 2686563), (9, 2388056), (11, 1953864), (12, 1791042), (18, 1194028), (22, 976932), (24, 895521), (33, 651288), (36, 597014), (44, 488466), (66, 325644), (72, 298507), (88, 244233), (99, 217096), (121, 177624), (132, 162822), (198, 108548), (242, 88812), (264, 81411), (363, 59208), (396, 54274), (484, 44406), (726, 29604), (792, 27137), (968, 22203), (1089, 19736), (1452, 14802), (2178, 9868), (2467, 8712), (2904, 7401), (4356, 4934)]