21087088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119813}}^1$

素因数の和:119832

約数の個数: 20

約数和(自身を含む): 44570808

約数和(自身を除く): 23483720

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119813, 239626, 479252, 958504, 1317943, 1917008, 2635886, 5271772, 10543544, 21087088]

約数ペア:

[(1, 21087088), (2, 10543544), (4, 5271772), (8, 2635886), (11, 1917008), (16, 1317943), (22, 958504), (44, 479252), (88, 239626), (176, 119813)]