21868110

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 43795890

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 37, 45, 54, 55, 66, 74, 90, 99, 110, 111, 135, 165, 185, 198, 199, 222, 270, 297, 330, 333, 370, 398, 407, 495, 555, 594, 597, 666, 814, 990, 995, 999, 1110, 1194, 1221, 1485, 1665, 1791, 1990, 1998, 2035, 2189, 2442, 2970, 2985, 3330, 3582, 3663, 4070, 4378, 4995, 5373, 5970, 6105, 6567, 7326, 7363, 8955, 9990, 10746, 10945, 10989, 12210, 13134, 14726, 17910, 18315, 19701, 21890, 21978, 22089, 26865, 32835, 36630, 36815, 39402, 44178, 53730, 54945, 59103, 65670, 66267, 73630, 80993, 98505, 109890, 110445, 118206, 132534, 161986, 197010, 198801, 220890, 242979, 295515, 331335, 397602, 404965, 485958, 591030, 662670, 728937, 809930, 994005, 1214895, 1457874, 1988010, 2186811, 2429790, 3644685, 4373622, 7289370, 10934055, 21868110]

約数ペア:

[(1, 21868110), (2, 10934055), (3, 7289370), (5, 4373622), (6, 3644685), (9, 2429790), (10, 2186811), (11, 1988010), (15, 1457874), (18, 1214895), (22, 994005), (27, 809930), (30, 728937), (33, 662670), (37, 591030), (45, 485958), (54, 404965), (55, 397602), (66, 331335), (74, 295515), (90, 242979), (99, 220890), (110, 198801), (111, 197010), (135, 161986), (165, 132534), (185, 118206), (198, 110445), (199, 109890), (222, 98505), (270, 80993), (297, 73630), (330, 66267), (333, 65670), (370, 59103), (398, 54945), (407, 53730), (495, 44178), (555, 39402), (594, 36815), (597, 36630), (666, 32835), (814, 26865), (990, 22089), (995, 21978), (999, 21890), (1110, 19701), (1194, 18315), (1221, 17910), (1485, 14726), (1665, 13134), (1791, 12210), (1990, 10989), (1998, 10945), (2035, 10746), (2189, 9990), (2442, 8955), (2970, 7363), (2985, 7326), (3330, 6567), (3582, 6105), (3663, 5970), (4070, 5373), (4378, 4995)]