21537317

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 24235200

約数和(自身を除く): 2697883

約数列:

[1, 17, 19, 131, 323, 509, 2227, 2489, 8653, 9671, 42313, 66679, 164407, 1133543, 1266901, 21537317]

約数ペア:

[(1, 21537317), (17, 1266901), (19, 1133543), (131, 164407), (323, 66679), (509, 42313), (2227, 9671), (2489, 8653)]