21930351

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{13267}}^1$

素因数の和:13318

約数の個数: 16

約数和(自身を含む): 31843200

約数和(自身を除く): 9912849

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 13267, 39801, 252073, 384743, 756219, 1154229, 7310117, 21930351]

約数ペア:

[(1, 21930351), (3, 7310117), (19, 1154229), (29, 756219), (57, 384743), (87, 252073), (551, 39801), (1653, 13267)]