21827224

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{311}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 42531840

約数和(自身を除く): 20704616

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 283, 311, 566, 622, 1132, 1244, 2264, 2488, 8773, 9641, 17546, 19282, 35092, 38564, 70184, 77128, 88013, 176026, 352052, 704104, 2728403, 5456806, 10913612, 21827224]

約数ペア:

[(1, 21827224), (2, 10913612), (4, 5456806), (8, 2728403), (31, 704104), (62, 352052), (124, 176026), (248, 88013), (283, 77128), (311, 70184), (566, 38564), (622, 35092), (1132, 19282), (1244, 17546), (2264, 9641), (2488, 8773)]