21000279768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67308589}}^1$

素因数の和:67308611

約数の個数: 32

約数和(自身を含む): 56539215600

約数和(自身を除く): 35538935832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67308589, 134617178, 201925767, 269234356, 403851534, 538468712, 807703068, 875011657, 1615406136, 1750023314, 2625034971, 3500046628, 5250069942, 7000093256, 10500139884, 21000279768]

約数ペア:

[(1, 21000279768), (2, 10500139884), (3, 7000093256), (4, 5250069942), (6, 3500046628), (8, 2625034971), (12, 1750023314), (13, 1615406136), (24, 875011657), (26, 807703068), (39, 538468712), (52, 403851534), (78, 269234356), (104, 201925767), (156, 134617178), (312, 67308589)]