21895424

素因数分解:

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

素因数の和:167

約数の個数: 54

約数和(自身を含む): 45668070

約数和(自身を除く): 23772646

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 128, 178, 248, 256, 356, 496, 712, 961, 992, 1424, 1922, 1984, 2759, 2848, 3844, 3968, 5518, 5696, 7688, 7936, 11036, 11392, 15376, 22072, 22784, 30752, 44144, 61504, 85529, 88288, 123008, 171058, 176576, 246016, 342116, 353152, 684232, 706304, 1368464, 2736928, 5473856, 10947712, 21895424]

約数ペア:

[(1, 21895424), (2, 10947712), (4, 5473856), (8, 2736928), (16, 1368464), (31, 706304), (32, 684232), (62, 353152), (64, 342116), (89, 246016), (124, 176576), (128, 171058), (178, 123008), (248, 88288), (256, 85529), (356, 61504), (496, 44144), (712, 30752), (961, 22784), (992, 22072), (1424, 15376), (1922, 11392), (1984, 11036), (2759, 7936), (2848, 7688), (3844, 5696), (3968, 5518)]