821646

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{6521}}^1$

素因数の和:6536

約数の個数: 24

約数和(自身を含む): 2034864

約数和(自身を除く): 1213218

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 6521, 13042, 19563, 39126, 45647, 58689, 91294, 117378, 136941, 273882, 410823, 821646]

約数ペア:

[(1, 821646), (2, 410823), (3, 273882), (6, 136941), (7, 117378), (9, 91294), (14, 58689), (18, 45647), (21, 39126), (42, 19563), (63, 13042), (126, 6521)]