2021489253

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{141353}}^1$

素因数の和:141593

約数の個数: 24

約数和(自身を含む): 3351786048

約数和(自身を除く): 1330296795

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2043, 4767, 14301, 141353, 424059, 989471, 1272177, 2968413, 8905239, 32087131, 96261393, 224609917, 288784179, 673829751, 2021489253]

約数ペア:

[(1, 2021489253), (3, 673829751), (7, 288784179), (9, 224609917), (21, 96261393), (63, 32087131), (227, 8905239), (681, 2968413), (1589, 1272177), (2043, 989471), (4767, 424059), (14301, 141353)]