21461245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{8053}}^1$

素因数の和:8112

約数の個数: 16

約数和(自身を含む): 28414512

約数和(自身を除く): 6953267

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 8053, 40265, 104689, 330173, 523445, 1650865, 4292249, 21461245]

約数ペア:

[(1, 21461245), (5, 4292249), (13, 1650865), (41, 523445), (65, 330173), (205, 104689), (533, 40265), (2665, 8053)]