21000836307

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5838431}}^1$

素因数の和:5838554

約数の個数: 16

約数和(自身を含む): 30826920960

約数和(自身を除く): 9826084653

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5838431, 17515293, 64222741, 192668223, 636388979, 1909166937, 7000278769, 21000836307]

約数ペア:

[(1, 21000836307), (3, 7000278769), (11, 1909166937), (33, 636388979), (109, 192668223), (327, 64222741), (1199, 17515293), (3597, 5838431)]