21104352

素因数分解:

$2^5\times 3^2\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:720

約数の個数: 72

約数和(自身を含む): 60592896

約数和(自身を除く): 39488544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 127, 144, 254, 288, 381, 508, 577, 762, 1016, 1143, 1154, 1524, 1731, 2032, 2286, 2308, 3048, 3462, 4064, 4572, 4616, 5193, 6096, 6924, 9144, 9232, 10386, 12192, 13848, 18288, 18464, 20772, 27696, 36576, 41544, 55392, 73279, 83088, 146558, 166176, 219837, 293116, 439674, 586232, 659511, 879348, 1172464, 1319022, 1758696, 2344928, 2638044, 3517392, 5276088, 7034784, 10552176, 21104352]

約数ペア:

[(1, 21104352), (2, 10552176), (3, 7034784), (4, 5276088), (6, 3517392), (8, 2638044), (9, 2344928), (12, 1758696), (16, 1319022), (18, 1172464), (24, 879348), (32, 659511), (36, 586232), (48, 439674), (72, 293116), (96, 219837), (127, 166176), (144, 146558), (254, 83088), (288, 73279), (381, 55392), (508, 41544), (577, 36576), (762, 27696), (1016, 20772), (1143, 18464), (1154, 18288), (1524, 13848), (1731, 12192), (2032, 10386), (2286, 9232), (2308, 9144), (3048, 6924), (3462, 6096), (4064, 5193), (4572, 4616)]