21153064

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1249}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 41625000

約数和(自身を除く): 20471936

約数列:

[1, 2, 4, 8, 29, 58, 73, 116, 146, 232, 292, 584, 1249, 2117, 2498, 4234, 4996, 8468, 9992, 16936, 36221, 72442, 91177, 144884, 182354, 289768, 364708, 729416, 2644133, 5288266, 10576532, 21153064]

約数ペア:

[(1, 21153064), (2, 10576532), (4, 5288266), (8, 2644133), (29, 729416), (58, 364708), (73, 289768), (116, 182354), (146, 144884), (232, 91177), (292, 72442), (584, 36221), (1249, 16936), (2117, 9992), (2498, 8468), (4234, 4996)]