21110628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 64827392

約数和(自身を除く): 43716764

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 31, 33, 42, 44, 62, 66, 67, 77, 84, 93, 121, 124, 132, 134, 154, 186, 201, 217, 231, 242, 268, 308, 341, 363, 372, 402, 434, 462, 469, 484, 651, 682, 726, 737, 804, 847, 868, 924, 938, 1023, 1302, 1364, 1407, 1452, 1474, 1694, 1876, 2046, 2077, 2211, 2387, 2541, 2604, 2814, 2948, 3388, 3751, 4092, 4154, 4422, 4774, 5082, 5159, 5628, 6231, 7161, 7502, 8107, 8308, 8844, 9548, 10164, 10318, 11253, 12462, 14322, 14539, 15004, 15477, 16214, 20636, 22506, 22847, 24321, 24924, 26257, 28644, 29078, 30954, 32428, 43617, 45012, 45694, 48642, 52514, 56749, 58156, 61908, 68541, 78771, 87234, 91388, 97284, 105028, 113498, 137082, 157542, 159929, 170247, 174468, 226996, 251317, 274164, 315084, 319858, 340494, 479787, 502634, 639716, 680988, 753951, 959574, 1005268, 1507902, 1759219, 1919148, 3015804, 3518438, 5277657, 7036876, 10555314, 21110628]

約数ペア:

[(1, 21110628), (2, 10555314), (3, 7036876), (4, 5277657), (6, 3518438), (7, 3015804), (11, 1919148), (12, 1759219), (14, 1507902), (21, 1005268), (22, 959574), (28, 753951), (31, 680988), (33, 639716), (42, 502634), (44, 479787), (62, 340494), (66, 319858), (67, 315084), (77, 274164), (84, 251317), (93, 226996), (121, 174468), (124, 170247), (132, 159929), (134, 157542), (154, 137082), (186, 113498), (201, 105028), (217, 97284), (231, 91388), (242, 87234), (268, 78771), (308, 68541), (341, 61908), (363, 58156), (372, 56749), (402, 52514), (434, 48642), (462, 45694), (469, 45012), (484, 43617), (651, 32428), (682, 30954), (726, 29078), (737, 28644), (804, 26257), (847, 24924), (868, 24321), (924, 22847), (938, 22506), (1023, 20636), (1302, 16214), (1364, 15477), (1407, 15004), (1452, 14539), (1474, 14322), (1694, 12462), (1876, 11253), (2046, 10318), (2077, 10164), (2211, 9548), (2387, 8844), (2541, 8308), (2604, 8107), (2814, 7502), (2948, 7161), (3388, 6231), (3751, 5628), (4092, 5159), (4154, 5082), (4422, 4774)]