21262848

素因数分解:

$2^9\times 3^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 80

約数和(自身を含む): 57615360

約数和(自身を除く): 36352512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 109, 127, 128, 192, 218, 254, 256, 327, 381, 384, 436, 508, 512, 654, 762, 768, 872, 1016, 1308, 1524, 1536, 1744, 2032, 2616, 3048, 3488, 4064, 5232, 6096, 6976, 8128, 10464, 12192, 13843, 13952, 16256, 20928, 24384, 27686, 27904, 32512, 41529, 41856, 48768, 55372, 55808, 65024, 83058, 83712, 97536, 110744, 166116, 167424, 195072, 221488, 332232, 442976, 664464, 885952, 1328928, 1771904, 2657856, 3543808, 5315712, 7087616, 10631424, 21262848]

約数ペア:

[(1, 21262848), (2, 10631424), (3, 7087616), (4, 5315712), (6, 3543808), (8, 2657856), (12, 1771904), (16, 1328928), (24, 885952), (32, 664464), (48, 442976), (64, 332232), (96, 221488), (109, 195072), (127, 167424), (128, 166116), (192, 110744), (218, 97536), (254, 83712), (256, 83058), (327, 65024), (381, 55808), (384, 55372), (436, 48768), (508, 41856), (512, 41529), (654, 32512), (762, 27904), (768, 27686), (872, 24384), (1016, 20928), (1308, 16256), (1524, 13952), (1536, 13843), (1744, 12192), (2032, 10464), (2616, 8128), (3048, 6976), (3488, 6096), (4064, 5232)]