21411049

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1697}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 24777216

約数和(自身を除く): 3366167

約数列:

[1, 11, 31, 37, 341, 407, 1147, 1697, 12617, 18667, 52607, 62789, 578677, 690679, 1946459, 21411049]

約数ペア:

[(1, 21411049), (11, 1946459), (31, 690679), (37, 578677), (341, 62789), (407, 52607), (1147, 18667), (1697, 12617)]