21455424

素因数分解:

$2^6\times 3^2\times {\mathrm{193}}^2$

素因数の和:404

約数の個数: 63

約数和(自身を含む): 61818393

約数和(自身を除く): 40362969

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 193, 288, 386, 576, 579, 772, 1158, 1544, 1737, 2316, 3088, 3474, 4632, 6176, 6948, 9264, 12352, 13896, 18528, 27792, 37056, 37249, 55584, 74498, 111168, 111747, 148996, 223494, 297992, 335241, 446988, 595984, 670482, 893976, 1191968, 1340964, 1787952, 2383936, 2681928, 3575904, 5363856, 7151808, 10727712, 21455424]

約数ペア:

[(1, 21455424), (2, 10727712), (3, 7151808), (4, 5363856), (6, 3575904), (8, 2681928), (9, 2383936), (12, 1787952), (16, 1340964), (18, 1191968), (24, 893976), (32, 670482), (36, 595984), (48, 446988), (64, 335241), (72, 297992), (96, 223494), (144, 148996), (192, 111747), (193, 111168), (288, 74498), (386, 55584), (576, 37249), (579, 37056), (772, 27792), (1158, 18528), (1544, 13896), (1737, 12352), (2316, 9264), (3088, 6948), (3474, 6176)]