21104496

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{997}}^1$

素因数の和:1028

約数の個数: 120

約数和(自身を含む): 70538640

約数和(自身を除く): 49434144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 997, 1008, 1176, 1323, 1512, 1764, 1994, 2352, 2646, 2991, 3024, 3528, 3988, 5292, 5982, 6979, 7056, 7976, 8973, 10584, 11964, 13958, 15952, 17946, 20937, 21168, 23928, 26919, 27916, 35892, 41874, 47856, 48853, 53838, 55832, 62811, 71784, 83748, 97706, 107676, 111664, 125622, 143568, 146559, 167496, 188433, 195412, 215352, 251244, 293118, 334992, 376866, 390824, 430704, 439677, 502488, 586236, 753732, 781648, 879354, 1004976, 1172472, 1319031, 1507464, 1758708, 2344944, 2638062, 3014928, 3517416, 5276124, 7034832, 10552248, 21104496]

約数ペア:

[(1, 21104496), (2, 10552248), (3, 7034832), (4, 5276124), (6, 3517416), (7, 3014928), (8, 2638062), (9, 2344944), (12, 1758708), (14, 1507464), (16, 1319031), (18, 1172472), (21, 1004976), (24, 879354), (27, 781648), (28, 753732), (36, 586236), (42, 502488), (48, 439677), (49, 430704), (54, 390824), (56, 376866), (63, 334992), (72, 293118), (84, 251244), (98, 215352), (108, 195412), (112, 188433), (126, 167496), (144, 146559), (147, 143568), (168, 125622), (189, 111664), (196, 107676), (216, 97706), (252, 83748), (294, 71784), (336, 62811), (378, 55832), (392, 53838), (432, 48853), (441, 47856), (504, 41874), (588, 35892), (756, 27916), (784, 26919), (882, 23928), (997, 21168), (1008, 20937), (1176, 17946), (1323, 15952), (1512, 13958), (1764, 11964), (1994, 10584), (2352, 8973), (2646, 7976), (2991, 7056), (3024, 6979), (3528, 5982), (3988, 5292)]