21118848

素因数分解:

$2^7\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1339

約数の個数: 64

約数和(自身を含む): 57446400

約数和(自身を除く): 36327552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 258, 344, 384, 516, 688, 1032, 1279, 1376, 2064, 2558, 2752, 3837, 4128, 5116, 5504, 7674, 8256, 10232, 15348, 16512, 20464, 30696, 40928, 54997, 61392, 81856, 109994, 122784, 163712, 164991, 219988, 245568, 329982, 439976, 491136, 659964, 879952, 1319928, 1759904, 2639856, 3519808, 5279712, 7039616, 10559424, 21118848]

約数ペア:

[(1, 21118848), (2, 10559424), (3, 7039616), (4, 5279712), (6, 3519808), (8, 2639856), (12, 1759904), (16, 1319928), (24, 879952), (32, 659964), (43, 491136), (48, 439976), (64, 329982), (86, 245568), (96, 219988), (128, 164991), (129, 163712), (172, 122784), (192, 109994), (258, 81856), (344, 61392), (384, 54997), (516, 40928), (688, 30696), (1032, 20464), (1279, 16512), (1376, 15348), (2064, 10232), (2558, 8256), (2752, 7674), (3837, 5504), (4128, 5116)]