21534873

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1721}}^1$

素因数の和:1864

約数の個数: 16

約数和(自身を含む): 29701056

約数和(自身を除く): 8166183

約数列:

[1, 3, 43, 97, 129, 291, 1721, 4171, 5163, 12513, 74003, 166937, 222009, 500811, 7178291, 21534873]

約数ペア:

[(1, 21534873), (3, 7178291), (43, 500811), (97, 222009), (129, 166937), (291, 74003), (1721, 12513), (4171, 5163)]