21875379

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{8093}}^1$

素因数の和:8166

約数の個数: 16

約数和(自身を含む): 31469472

約数和(自身を除く): 9594093

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 8093, 24279, 137581, 412743, 428929, 1286787, 7291793, 21875379]

約数ペア:

[(1, 21875379), (3, 7291793), (17, 1286787), (51, 428929), (53, 412743), (159, 137581), (901, 24279), (2703, 8093)]