21325191

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2417}}^1$

素因数の和:2610

約数の個数: 16

約数和(自身を含む): 30292704

約数和(自身を除く): 8967513

約数列:

[1, 3, 17, 51, 173, 519, 2417, 2941, 7251, 8823, 41089, 123267, 418141, 1254423, 7108397, 21325191]

約数ペア:

[(1, 21325191), (3, 7108397), (17, 1254423), (51, 418141), (173, 123267), (519, 41089), (2417, 8823), (2941, 7251)]