21707793

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2677}}^1$

素因数の和:2753

約数の個数: 24

約数和(自身を含む): 33839208

約数和(自身を除く): 12131415

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2677, 2703, 8031, 8109, 24093, 45509, 136527, 141881, 409581, 425643, 1276929, 2411977, 7235931, 21707793]

約数ペア:

[(1, 21707793), (3, 7235931), (9, 2411977), (17, 1276929), (51, 425643), (53, 409581), (153, 141881), (159, 136527), (477, 45509), (901, 24093), (2677, 8109), (2703, 8031)]