21412464

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 57567744

約数和(自身を除く): 36155280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 71, 103, 122, 142, 183, 206, 213, 244, 284, 309, 366, 412, 426, 488, 568, 618, 732, 824, 852, 976, 1136, 1236, 1464, 1648, 1704, 2472, 2928, 3408, 4331, 4944, 6283, 7313, 8662, 12566, 12993, 14626, 17324, 18849, 21939, 25132, 25986, 29252, 34648, 37698, 43878, 50264, 51972, 58504, 69296, 75396, 87756, 100528, 103944, 117008, 150792, 175512, 207888, 301584, 351024, 446093, 892186, 1338279, 1784372, 2676558, 3568744, 5353116, 7137488, 10706232, 21412464]

約数ペア:

[(1, 21412464), (2, 10706232), (3, 7137488), (4, 5353116), (6, 3568744), (8, 2676558), (12, 1784372), (16, 1338279), (24, 892186), (48, 446093), (61, 351024), (71, 301584), (103, 207888), (122, 175512), (142, 150792), (183, 117008), (206, 103944), (213, 100528), (244, 87756), (284, 75396), (309, 69296), (366, 58504), (412, 51972), (426, 50264), (488, 43878), (568, 37698), (618, 34648), (732, 29252), (824, 25986), (852, 25132), (976, 21939), (1136, 18849), (1236, 17324), (1464, 14626), (1648, 12993), (1704, 12566), (2472, 8662), (2928, 7313), (3408, 6283), (4331, 4944)]