21307117

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 23647792

約数和(自身を除く): 2340675

約数列:

[1, 13, 61, 97, 277, 793, 1261, 3601, 5917, 16897, 26869, 76921, 219661, 349297, 1639009, 21307117]

約数ペア:

[(1, 21307117), (13, 1639009), (61, 349297), (97, 219661), (277, 76921), (793, 26869), (1261, 16897), (3601, 5917)]