21361024

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3881}}^1$

素因数の和:3938

約数の個数: 32

約数和(自身を含む): 43556040

約数和(自身を除く): 22195016

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 3881, 5504, 7762, 15524, 31048, 62096, 124192, 166883, 248384, 333766, 496768, 667532, 1335064, 2670128, 5340256, 10680512, 21361024]

約数ペア:

[(1, 21361024), (2, 10680512), (4, 5340256), (8, 2670128), (16, 1335064), (32, 667532), (43, 496768), (64, 333766), (86, 248384), (128, 166883), (172, 124192), (344, 62096), (688, 31048), (1376, 15524), (2752, 7762), (3881, 5504)]