21888935

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1778

約数の個数: 16

約数和(自身を含む): 27334560

約数和(自身を除く): 5445625

約数列:

[1, 5, 43, 61, 215, 305, 1669, 2623, 8345, 13115, 71767, 101809, 358835, 509045, 4377787, 21888935]

約数ペア:

[(1, 21888935), (5, 4377787), (43, 509045), (61, 358835), (215, 101809), (305, 71767), (1669, 13115), (2623, 8345)]