21338150144

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{30211}}^1$

素因数の和:30347

約数の個数: 72

約数和(自身を含む): 44462396160

約数和(自身を除く): 23124246016

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 128, 178, 248, 256, 356, 496, 712, 992, 1424, 1984, 2759, 2848, 3968, 5518, 5696, 7936, 11036, 11392, 22072, 22784, 30211, 44144, 60422, 88288, 120844, 176576, 241688, 353152, 483376, 706304, 936541, 966752, 1873082, 1933504, 2688779, 3746164, 3867008, 5377558, 7492328, 7734016, 10755116, 14984656, 21510232, 29969312, 43020464, 59938624, 83352149, 86040928, 119877248, 166704298, 172081856, 239754496, 333408596, 344163712, 666817192, 688327424, 1333634384, 2667268768, 5334537536, 10669075072, 21338150144]

約数ペア:

[(1, 21338150144), (2, 10669075072), (4, 5334537536), (8, 2667268768), (16, 1333634384), (31, 688327424), (32, 666817192), (62, 344163712), (64, 333408596), (89, 239754496), (124, 172081856), (128, 166704298), (178, 119877248), (248, 86040928), (256, 83352149), (356, 59938624), (496, 43020464), (712, 29969312), (992, 21510232), (1424, 14984656), (1984, 10755116), (2759, 7734016), (2848, 7492328), (3968, 5377558), (5518, 3867008), (5696, 3746164), (7936, 2688779), (11036, 1933504), (11392, 1873082), (22072, 966752), (22784, 936541), (30211, 706304), (44144, 483376), (60422, 353152), (88288, 241688), (120844, 176576)]