21489612

素因数分解:

$2^2\times 3^1\times {\mathrm{199}}^1\times {\mathrm{8999}}^1$

素因数の和:9205

約数の個数: 24

約数和(自身を含む): 50400000

約数和(自身を除く): 28910388

約数列:

[1, 2, 3, 4, 6, 12, 199, 398, 597, 796, 1194, 2388, 8999, 17998, 26997, 35996, 53994, 107988, 1790801, 3581602, 5372403, 7163204, 10744806, 21489612]

約数ペア:

[(1, 21489612), (2, 10744806), (3, 7163204), (4, 5372403), (6, 3581602), (12, 1790801), (199, 107988), (398, 53994), (597, 35996), (796, 26997), (1194, 17998), (2388, 8999)]