21006901487

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{423347}}^1$

素因数の和:423718

約数の個数: 16

約数和(自身を含む): 24750617472

約数和(自身を除く): 3743715985

約数列:

[1, 11, 13, 143, 347, 3817, 4511, 49621, 423347, 4656817, 5503511, 60538621, 146901409, 1615915499, 1909718317, 21006901487]

約数ペア:

[(1, 21006901487), (11, 1909718317), (13, 1615915499), (143, 146901409), (347, 60538621), (3817, 5503511), (4511, 4656817), (49621, 423347)]