21095793

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{797}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 32491368

約数和(自身を除く): 11395575

約数列:

[1, 3, 9, 17, 51, 153, 173, 519, 797, 1557, 2391, 2941, 7173, 8823, 13549, 26469, 40647, 121941, 137881, 413643, 1240929, 2343977, 7031931, 21095793]

約数ペア:

[(1, 21095793), (3, 7031931), (9, 2343977), (17, 1240929), (51, 413643), (153, 137881), (173, 121941), (519, 40647), (797, 26469), (1557, 13549), (2391, 8823), (2941, 7173)]