21517656

素因数分解:

$2^3\times 3^1\times {\mathrm{653}}^1\times {\mathrm{1373}}^1$

素因数の和:2035

約数の個数: 32

約数和(自身を含む): 53915760

約数和(自身を除く): 32398104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 653, 1306, 1373, 1959, 2612, 2746, 3918, 4119, 5224, 5492, 7836, 8238, 10984, 15672, 16476, 32952, 896569, 1793138, 2689707, 3586276, 5379414, 7172552, 10758828, 21517656]

約数ペア:

[(1, 21517656), (2, 10758828), (3, 7172552), (4, 5379414), (6, 3586276), (8, 2689707), (12, 1793138), (24, 896569), (653, 32952), (1306, 16476), (1373, 15672), (1959, 10984), (2612, 8238), (2746, 7836), (3918, 5492), (4119, 5224)]