21683685

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30757}}^1$

素因数の和:30812

約数の個数: 16

約数和(自身を含む): 35433216

約数和(自身を除く): 13749531

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 30757, 92271, 153785, 461355, 1445579, 4336737, 7227895, 21683685]

約数ペア:

[(1, 21683685), (3, 7227895), (5, 4336737), (15, 1445579), (47, 461355), (141, 153785), (235, 92271), (705, 30757)]