21177156728

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{134053}}^1$

素因数の和:134117

約数の個数: 96

約数和(自身を含む): 51348044160

約数和(自身を除く): 30170887432

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 124, 182, 196, 217, 248, 364, 392, 403, 434, 637, 728, 806, 868, 1274, 1519, 1612, 1736, 2548, 2821, 3038, 3224, 5096, 5642, 6076, 11284, 12152, 19747, 22568, 39494, 78988, 134053, 157976, 268106, 536212, 938371, 1072424, 1742689, 1876742, 3485378, 3753484, 4155643, 6568597, 6970756, 7506968, 8311286, 12198823, 13137194, 13941512, 16622572, 24397646, 26274388, 29089501, 33245144, 48795292, 52548776, 54023359, 58179002, 85391761, 97590584, 108046718, 116358004, 170783522, 203626507, 216093436, 232716008, 341567044, 378163513, 407253014, 432186872, 683134088, 756327026, 814506028, 1512654052, 1629012056, 2647144591, 3025308104, 5294289182, 10588578364, 21177156728]

約数ペア:

[(1, 21177156728), (2, 10588578364), (4, 5294289182), (7, 3025308104), (8, 2647144591), (13, 1629012056), (14, 1512654052), (26, 814506028), (28, 756327026), (31, 683134088), (49, 432186872), (52, 407253014), (56, 378163513), (62, 341567044), (91, 232716008), (98, 216093436), (104, 203626507), (124, 170783522), (182, 116358004), (196, 108046718), (217, 97590584), (248, 85391761), (364, 58179002), (392, 54023359), (403, 52548776), (434, 48795292), (637, 33245144), (728, 29089501), (806, 26274388), (868, 24397646), (1274, 16622572), (1519, 13941512), (1612, 13137194), (1736, 12198823), (2548, 8311286), (2821, 7506968), (3038, 6970756), (3224, 6568597), (5096, 4155643), (5642, 3753484), (6076, 3485378), (11284, 1876742), (12152, 1742689), (19747, 1072424), (22568, 938371), (39494, 536212), (78988, 268106), (134053, 157976)]