21478410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{238649}}^1$

素因数の和:238662

約数の個数: 24

約数和(自身を含む): 55844100

約数和(自身を除く): 34365690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 238649, 477298, 715947, 1193245, 1431894, 2147841, 2386490, 3579735, 4295682, 7159470, 10739205, 21478410]

約数ペア:

[(1, 21478410), (2, 10739205), (3, 7159470), (5, 4295682), (6, 3579735), (9, 2386490), (10, 2147841), (15, 1431894), (18, 1193245), (30, 715947), (45, 477298), (90, 238649)]