21247752

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{5639}}^1$

素因数の和:5805

約数の個数: 32

約数和(自身を含む): 53467200

約数和(自身を除く): 32219448

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 5639, 11278, 16917, 22556, 33834, 45112, 67668, 135336, 885323, 1770646, 2655969, 3541292, 5311938, 7082584, 10623876, 21247752]

約数ペア:

[(1, 21247752), (2, 10623876), (3, 7082584), (4, 5311938), (6, 3541292), (8, 2655969), (12, 1770646), (24, 885323), (157, 135336), (314, 67668), (471, 45112), (628, 33834), (942, 22556), (1256, 16917), (1884, 11278), (3768, 5639)]