21432463

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 23990400

約数和(自身を除く): 2557937

約数列:

[1, 13, 41, 79, 509, 533, 1027, 3239, 6617, 20869, 40211, 42107, 271297, 522743, 1648651, 21432463]

約数ペア:

[(1, 21432463), (13, 1648651), (41, 522743), (79, 271297), (509, 42107), (533, 40211), (1027, 20869), (3239, 6617)]