21279408

素因数分解:

$2^4\times 3^1\times {\mathrm{193}}^1\times {\mathrm{2297}}^1$

素因数の和:2501

約数の個数: 40

約数和(自身を含む): 55280688

約数和(自身を除く): 34001280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 193, 386, 579, 772, 1158, 1544, 2297, 2316, 3088, 4594, 4632, 6891, 9188, 9264, 13782, 18376, 27564, 36752, 55128, 110256, 443321, 886642, 1329963, 1773284, 2659926, 3546568, 5319852, 7093136, 10639704, 21279408]

約数ペア:

[(1, 21279408), (2, 10639704), (3, 7093136), (4, 5319852), (6, 3546568), (8, 2659926), (12, 1773284), (16, 1329963), (24, 886642), (48, 443321), (193, 110256), (386, 55128), (579, 36752), (772, 27564), (1158, 18376), (1544, 13782), (2297, 9264), (2316, 9188), (3088, 6891), (4594, 4632)]