16984821

素因数分解:

$3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{509}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 26511840

約数和(自身を除く): 9527019

約数列:

[1, 3, 7, 21, 49, 147, 227, 509, 681, 1527, 1589, 3563, 4767, 10689, 11123, 24941, 33369, 74823, 115543, 346629, 808801, 2426403, 5661607, 16984821]

約数ペア:

[(1, 16984821), (3, 5661607), (7, 2426403), (21, 808801), (49, 346629), (147, 115543), (227, 74823), (509, 33369), (681, 24941), (1527, 11123), (1589, 10689), (3563, 4767)]