21080784

素因数分解:

$2^4\times 3^1\times {\mathrm{439183}}^1$

素因数の和:439194

約数の個数: 20

約数和(自身を含む): 54458816

約数和(自身を除く): 33378032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439183, 878366, 1317549, 1756732, 2635098, 3513464, 5270196, 7026928, 10540392, 21080784]

約数ペア:

[(1, 21080784), (2, 10540392), (3, 7026928), (4, 5270196), (6, 3513464), (8, 2635098), (12, 1756732), (16, 1317549), (24, 878366), (48, 439183)]