21956508

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{461}}^1$

素因数の和:494

約数の個数: 108

約数和(自身を含む): 67099032

約数和(自身を除く): 45142524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 243, 252, 294, 324, 378, 441, 461, 486, 567, 588, 756, 882, 922, 972, 1134, 1323, 1383, 1701, 1764, 1844, 2268, 2646, 2766, 3227, 3402, 3969, 4149, 5292, 5532, 6454, 6804, 7938, 8298, 9681, 11907, 12447, 12908, 15876, 16596, 19362, 22589, 23814, 24894, 29043, 37341, 38724, 45178, 47628, 49788, 58086, 67767, 74682, 87129, 90356, 112023, 116172, 135534, 149364, 174258, 203301, 224046, 261387, 271068, 348516, 406602, 448092, 522774, 609903, 784161, 813204, 1045548, 1219806, 1568322, 1829709, 2439612, 3136644, 3659418, 5489127, 7318836, 10978254, 21956508]

約数ペア:

[(1, 21956508), (2, 10978254), (3, 7318836), (4, 5489127), (6, 3659418), (7, 3136644), (9, 2439612), (12, 1829709), (14, 1568322), (18, 1219806), (21, 1045548), (27, 813204), (28, 784161), (36, 609903), (42, 522774), (49, 448092), (54, 406602), (63, 348516), (81, 271068), (84, 261387), (98, 224046), (108, 203301), (126, 174258), (147, 149364), (162, 135534), (189, 116172), (196, 112023), (243, 90356), (252, 87129), (294, 74682), (324, 67767), (378, 58086), (441, 49788), (461, 47628), (486, 45178), (567, 38724), (588, 37341), (756, 29043), (882, 24894), (922, 23814), (972, 22589), (1134, 19362), (1323, 16596), (1383, 15876), (1701, 12908), (1764, 12447), (1844, 11907), (2268, 9681), (2646, 8298), (2766, 7938), (3227, 6804), (3402, 6454), (3969, 5532), (4149, 5292)]