21000317733

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{8161}}^1\times {\mathrm{4027}}^1$

素因数の和:12265

約数の個数: 24

約数和(自身を含む): 30772437696

約数和(自身を除く): 9772119963

約数列:

[1, 3, 9, 71, 213, 639, 4027, 8161, 12081, 24483, 36243, 73449, 285917, 579431, 857751, 1738293, 2573253, 5214879, 32864347, 98593041, 295779123, 2333368637, 7000105911, 21000317733]

約数ペア:

[(1, 21000317733), (3, 7000105911), (9, 2333368637), (71, 295779123), (213, 98593041), (639, 32864347), (4027, 5214879), (8161, 2573253), (12081, 1738293), (24483, 857751), (36243, 579431), (73449, 285917)]