21439974

素因数分解:

$2^1\times 3^1\times {\mathrm{1669}}^1\times {\mathrm{2141}}^1$

素因数の和:3815

約数の個数: 16

約数和(自身を含む): 42925680

約数和(自身を除く): 21485706

約数列:

[1, 2, 3, 6, 1669, 2141, 3338, 4282, 5007, 6423, 10014, 12846, 3573329, 7146658, 10719987, 21439974]

約数ペア:

[(1, 21439974), (2, 10719987), (3, 7146658), (6, 3573329), (1669, 12846), (2141, 10014), (3338, 6423), (4282, 5007)]