21100677

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{563}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 31362912

約数和(自身を除く): 10262235

約数列:

[1, 3, 13, 31, 39, 93, 403, 563, 961, 1209, 1689, 2883, 7319, 12493, 17453, 21957, 37479, 52359, 226889, 541043, 680667, 1623129, 7033559, 21100677]

約数ペア:

[(1, 21100677), (3, 7033559), (13, 1623129), (31, 680667), (39, 541043), (93, 226889), (403, 52359), (563, 37479), (961, 21957), (1209, 17453), (1689, 12493), (2883, 7319)]