21056358402

素因数分解:

$2^1\times 3^4\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{8117}}^1$

素因数の和:8437

約数の個数: 80

約数和(自身を含む): 48092330880

約数和(自身を除く): 27035972478

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 134, 162, 201, 239, 402, 478, 603, 717, 1206, 1434, 1809, 2151, 3618, 4302, 5427, 6453, 8117, 10854, 12906, 16013, 16234, 19359, 24351, 32026, 38718, 48039, 48702, 73053, 96078, 144117, 146106, 219159, 288234, 432351, 438318, 543839, 657477, 864702, 1087678, 1297053, 1314954, 1631517, 1939963, 2594106, 3263034, 3879926, 4894551, 5819889, 9789102, 11639778, 14683653, 17459667, 29367306, 34919334, 44050959, 52379001, 88101918, 104758002, 129977521, 157137003, 259955042, 314274006, 389932563, 779865126, 1169797689, 2339595378, 3509393067, 7018786134, 10528179201, 21056358402]

約数ペア:

[(1, 21056358402), (2, 10528179201), (3, 7018786134), (6, 3509393067), (9, 2339595378), (18, 1169797689), (27, 779865126), (54, 389932563), (67, 314274006), (81, 259955042), (134, 157137003), (162, 129977521), (201, 104758002), (239, 88101918), (402, 52379001), (478, 44050959), (603, 34919334), (717, 29367306), (1206, 17459667), (1434, 14683653), (1809, 11639778), (2151, 9789102), (3618, 5819889), (4302, 4894551), (5427, 3879926), (6453, 3263034), (8117, 2594106), (10854, 1939963), (12906, 1631517), (16013, 1314954), (16234, 1297053), (19359, 1087678), (24351, 864702), (32026, 657477), (38718, 543839), (48039, 438318), (48702, 432351), (73053, 288234), (96078, 219159), (144117, 146106)]