21075639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{3019}}^1$

素因数の和:3214

約数の個数: 16

約数和(自身を含む): 30441600

約数和(自身を除く): 9365961

約数列:

[1, 3, 13, 39, 179, 537, 2327, 3019, 6981, 9057, 39247, 117741, 540401, 1621203, 7025213, 21075639]

約数ペア:

[(1, 21075639), (3, 7025213), (13, 1621203), (39, 540401), (179, 117741), (537, 39247), (2327, 9057), (3019, 6981)]