21308959009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{358441}}^1$

素因数の和:358740

約数の個数: 16

約数和(自身を含む): 24388393680

約数和(自身を除く): 3079434671

約数列:

[1, 13, 17, 221, 269, 3497, 4573, 59449, 358441, 4659733, 6093497, 79215461, 96420629, 1253468177, 1639150693, 21308959009]

約数ペア:

[(1, 21308959009), (13, 1639150693), (17, 1253468177), (221, 96420629), (269, 79215461), (3497, 6093497), (4573, 4659733), (59449, 358441)]