21088428

素因数分解:

$2^2\times 3^1\times {\mathrm{199}}^1\times {\mathrm{8831}}^1$

素因数の和:9037

約数の個数: 24

約数和(自身を含む): 49459200

約数和(自身を除く): 28370772

約数列:

[1, 2, 3, 4, 6, 12, 199, 398, 597, 796, 1194, 2388, 8831, 17662, 26493, 35324, 52986, 105972, 1757369, 3514738, 5272107, 7029476, 10544214, 21088428]

約数ペア:

[(1, 21088428), (2, 10544214), (3, 7029476), (4, 5272107), (6, 3514738), (12, 1757369), (199, 105972), (398, 52986), (597, 35324), (796, 26493), (1194, 17662), (2388, 8831)]