21782037

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8887}}^1$

素因数の和:8952

約数の個数: 16

約数和(自身を含む): 31285760

約数和(自身を除く): 9503723

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8887, 26661, 168853, 382141, 506559, 1146423, 7260679, 21782037]

約数ペア:

[(1, 21782037), (3, 7260679), (19, 1146423), (43, 506559), (57, 382141), (129, 168853), (817, 26661), (2451, 8887)]