21822993

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 12391407

約数列:

[1, 3, 9, 27, 29, 47, 87, 141, 261, 423, 593, 783, 1269, 1363, 1779, 4089, 5337, 12267, 16011, 17197, 27871, 36801, 51591, 83613, 154773, 250839, 464319, 752517, 808259, 2424777, 7274331, 21822993]

約数ペア:

[(1, 21822993), (3, 7274331), (9, 2424777), (27, 808259), (29, 752517), (47, 464319), (87, 250839), (141, 154773), (261, 83613), (423, 51591), (593, 36801), (783, 27871), (1269, 17197), (1363, 16011), (1779, 12267), (4089, 5337)]