21674809

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 24724224

約数和(自身を除く): 3049415

約数列:

[1, 13, 23, 71, 299, 923, 1021, 1633, 13273, 21229, 23483, 72491, 305279, 942383, 1667293, 21674809]

約数ペア:

[(1, 21674809), (13, 1667293), (23, 942383), (71, 305279), (299, 72491), (923, 23483), (1021, 21229), (1633, 13273)]