21342386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20021}}^1$

素因数の和:20077

約数の個数: 16

約数和(自身を含む): 35318808

約数和(自身を除く): 13976422

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 20021, 40042, 260273, 520546, 820861, 1641722, 10671193, 21342386]

約数ペア:

[(1, 21342386), (2, 10671193), (13, 1641722), (26, 820861), (41, 520546), (82, 260273), (533, 40042), (1066, 20021)]