21000490304766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2512621477}}^1$

素因数の和:2512621688

約数の個数: 32

約数和(自身を含む): 48242332377600

約数和(自身を除く): 27241842072834

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 199, 398, 597, 1194, 1393, 2786, 4179, 8358, 2512621477, 5025242954, 7537864431, 15075728862, 17588350339, 35176700678, 52765051017, 105530102034, 500011673923, 1000023347846, 1500035021769, 3000070043538, 3500081717461, 7000163434922, 10500245152383, 21000490304766]

約数ペア:

[(1, 21000490304766), (2, 10500245152383), (3, 7000163434922), (6, 3500081717461), (7, 3000070043538), (14, 1500035021769), (21, 1000023347846), (42, 500011673923), (199, 105530102034), (398, 52765051017), (597, 35176700678), (1194, 17588350339), (1393, 15075728862), (2786, 7537864431), (4179, 5025242954), (8358, 2512621477)]