21214872

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{1559}}^1$

素因数の和:1587

約数の個数: 96

約数和(自身を含む): 68140800

約数和(自身を除く): 46925928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 504, 567, 648, 756, 972, 1134, 1512, 1559, 1701, 1944, 2268, 3118, 3402, 4536, 4677, 6236, 6804, 9354, 10913, 12472, 13608, 14031, 18708, 21826, 28062, 32739, 37416, 42093, 43652, 56124, 65478, 84186, 87304, 98217, 112248, 126279, 130956, 168372, 196434, 252558, 261912, 294651, 336744, 378837, 392868, 505116, 589302, 757674, 785736, 883953, 1010232, 1178604, 1515348, 1767906, 2357208, 2651859, 3030696, 3535812, 5303718, 7071624, 10607436, 21214872]

約数ペア:

[(1, 21214872), (2, 10607436), (3, 7071624), (4, 5303718), (6, 3535812), (7, 3030696), (8, 2651859), (9, 2357208), (12, 1767906), (14, 1515348), (18, 1178604), (21, 1010232), (24, 883953), (27, 785736), (28, 757674), (36, 589302), (42, 505116), (54, 392868), (56, 378837), (63, 336744), (72, 294651), (81, 261912), (84, 252558), (108, 196434), (126, 168372), (162, 130956), (168, 126279), (189, 112248), (216, 98217), (243, 87304), (252, 84186), (324, 65478), (378, 56124), (486, 43652), (504, 42093), (567, 37416), (648, 32739), (756, 28062), (972, 21826), (1134, 18708), (1512, 14031), (1559, 13608), (1701, 12472), (1944, 10913), (2268, 9354), (3118, 6804), (3402, 6236), (4536, 4677)]