21499907

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{599}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 3901693

約数列:

[1, 11, 13, 143, 251, 599, 2761, 3263, 6589, 7787, 35893, 85657, 150349, 1653839, 1954537, 21499907]

約数ペア:

[(1, 21499907), (11, 1954537), (13, 1653839), (143, 150349), (251, 85657), (599, 35893), (2761, 7787), (3263, 6589)]