21024255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{200231}}^1$

素因数の和:200246

約数の個数: 16

約数和(自身を含む): 38444544

約数和(自身を除く): 17420289

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 200231, 600693, 1001155, 1401617, 3003465, 4204851, 7008085, 21024255]

約数ペア:

[(1, 21024255), (3, 7008085), (5, 4204851), (7, 3003465), (15, 1401617), (21, 1001155), (35, 600693), (105, 200231)]