21617415

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3407}}^1$

素因数の和:3468

約数の個数: 32

約数和(自身を含む): 39260160

約数和(自身を除く): 17642745

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 3407, 6345, 10221, 17035, 30663, 51105, 91989, 153315, 160129, 459945, 480387, 800645, 1441161, 2401935, 4323483, 7205805, 21617415]

約数ペア:

[(1, 21617415), (3, 7205805), (5, 4323483), (9, 2401935), (15, 1441161), (27, 800645), (45, 480387), (47, 459945), (135, 160129), (141, 153315), (235, 91989), (423, 51105), (705, 30663), (1269, 17035), (2115, 10221), (3407, 6345)]