21167904

素因数分解:

$2^5\times 3^1\times {\mathrm{311}}^1\times {\mathrm{709}}^1$

素因数の和:1033

約数の個数: 48

約数和(自身を含む): 55823040

約数和(自身を除く): 34655136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 311, 622, 709, 933, 1244, 1418, 1866, 2127, 2488, 2836, 3732, 4254, 4976, 5672, 7464, 8508, 9952, 11344, 14928, 17016, 22688, 29856, 34032, 68064, 220499, 440998, 661497, 881996, 1322994, 1763992, 2645988, 3527984, 5291976, 7055968, 10583952, 21167904]

約数ペア:

[(1, 21167904), (2, 10583952), (3, 7055968), (4, 5291976), (6, 3527984), (8, 2645988), (12, 1763992), (16, 1322994), (24, 881996), (32, 661497), (48, 440998), (96, 220499), (311, 68064), (622, 34032), (709, 29856), (933, 22688), (1244, 17016), (1418, 14928), (1866, 11344), (2127, 9952), (2488, 8508), (2836, 7464), (3732, 5672), (4254, 4976)]