21412329

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{347}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 29154048

約数和(自身を除く): 7741719

約数列:

[1, 3, 67, 201, 307, 347, 921, 1041, 20569, 23249, 61707, 69747, 106529, 319587, 7137443, 21412329]

約数ペア:

[(1, 21412329), (3, 7137443), (67, 319587), (201, 106529), (307, 69747), (347, 61707), (921, 23249), (1041, 20569)]