21064620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351077}}^1$

素因数の和:351089

約数の個数: 24

約数和(自身を含む): 58981104

約数和(自身を除く): 37916484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351077, 702154, 1053231, 1404308, 1755385, 2106462, 3510770, 4212924, 5266155, 7021540, 10532310, 21064620]

約数ペア:

[(1, 21064620), (2, 10532310), (3, 7021540), (4, 5266155), (5, 4212924), (6, 3510770), (10, 2106462), (12, 1755385), (15, 1404308), (20, 1053231), (30, 702154), (60, 351077)]