21344768

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:952

約数の個数: 40

約数和(自身を含む): 43604352

約数和(自身を除く): 22259584

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 887, 1504, 1774, 3008, 3548, 6016, 7096, 12032, 14192, 24064, 28384, 41689, 56768, 83378, 113536, 166756, 227072, 333512, 454144, 667024, 1334048, 2668096, 5336192, 10672384, 21344768]

約数ペア:

[(1, 21344768), (2, 10672384), (4, 5336192), (8, 2668096), (16, 1334048), (32, 667024), (47, 454144), (64, 333512), (94, 227072), (128, 166756), (188, 113536), (256, 83378), (376, 56768), (512, 41689), (752, 28384), (887, 24064), (1504, 14192), (1774, 12032), (3008, 7096), (3548, 6016)]