21480283

素因数分解:

${\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{1571}}^1$

素因数の和:1706

約数の個数: 12

約数和(自身を含む): 23834664

約数和(自身を除く): 2354381

約数列:

[1, 11, 113, 121, 1243, 1571, 13673, 17281, 177523, 190091, 1952753, 21480283]

約数ペア:

[(1, 21480283), (11, 1952753), (113, 190091), (121, 177523), (1243, 17281), (1571, 13673)]