21663544

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12479}}^1$

素因数の和:12523

約数の個数: 32

約数和(自身を含む): 47923200

約数和(自身を除く): 26259656

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12479, 24958, 49916, 87353, 99832, 174706, 349412, 386849, 698824, 773698, 1547396, 2707943, 3094792, 5415886, 10831772, 21663544]

約数ペア:

[(1, 21663544), (2, 10831772), (4, 5415886), (7, 3094792), (8, 2707943), (14, 1547396), (28, 773698), (31, 698824), (56, 386849), (62, 349412), (124, 174706), (217, 99832), (248, 87353), (434, 49916), (868, 24958), (1736, 12479)]