21793941

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6899}}^1$

素因数の和:6927

約数の個数: 24

約数和(自身を含む): 35162400

約数和(自身を除く): 13368459

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6899, 20697, 62091, 89687, 186273, 269061, 558819, 807183, 1676457, 2421549, 7264647, 21793941]

約数ペア:

[(1, 21793941), (3, 7264647), (9, 2421549), (13, 1676457), (27, 807183), (39, 558819), (81, 269061), (117, 186273), (243, 89687), (351, 62091), (1053, 20697), (3159, 6899)]