21101256

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 44217144

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 83, 88, 99, 107, 108, 132, 166, 198, 214, 216, 249, 264, 297, 321, 332, 396, 428, 498, 594, 642, 664, 747, 792, 856, 913, 963, 996, 1177, 1188, 1284, 1494, 1826, 1926, 1992, 2241, 2354, 2376, 2568, 2739, 2889, 2988, 3531, 3652, 3852, 4482, 4708, 5478, 5778, 5976, 7062, 7304, 7704, 8217, 8881, 8964, 9416, 10593, 10956, 11556, 14124, 16434, 17762, 17928, 21186, 21912, 23112, 24651, 26643, 28248, 31779, 32868, 35524, 42372, 49302, 53286, 63558, 65736, 71048, 79929, 84744, 97691, 98604, 106572, 127116, 159858, 195382, 197208, 213144, 239787, 254232, 293073, 319716, 390764, 479574, 586146, 639432, 781528, 879219, 959148, 1172292, 1758438, 1918296, 2344584, 2637657, 3516876, 5275314, 7033752, 10550628, 21101256]

約数ペア:

[(1, 21101256), (2, 10550628), (3, 7033752), (4, 5275314), (6, 3516876), (8, 2637657), (9, 2344584), (11, 1918296), (12, 1758438), (18, 1172292), (22, 959148), (24, 879219), (27, 781528), (33, 639432), (36, 586146), (44, 479574), (54, 390764), (66, 319716), (72, 293073), (83, 254232), (88, 239787), (99, 213144), (107, 197208), (108, 195382), (132, 159858), (166, 127116), (198, 106572), (214, 98604), (216, 97691), (249, 84744), (264, 79929), (297, 71048), (321, 65736), (332, 63558), (396, 53286), (428, 49302), (498, 42372), (594, 35524), (642, 32868), (664, 31779), (747, 28248), (792, 26643), (856, 24651), (913, 23112), (963, 21912), (996, 21186), (1177, 17928), (1188, 17762), (1284, 16434), (1494, 14124), (1826, 11556), (1926, 10956), (1992, 10593), (2241, 9416), (2354, 8964), (2376, 8881), (2568, 8217), (2739, 7704), (2889, 7304), (2988, 7062), (3531, 5976), (3652, 5778), (3852, 5478), (4482, 4708)]