21836192007

素因数分解:

$3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1266527}}^1$

素因数の和:1267358

約数の個数: 16

約数和(自身を含む): 33314752512

約数和(自身を除く): 11478560505

約数列:

[1, 3, 7, 21, 821, 2463, 5747, 17241, 1266527, 3799581, 8865689, 26597067, 1039818667, 3119456001, 7278730669, 21836192007]

約数ペア:

[(1, 21836192007), (3, 7278730669), (7, 3119456001), (21, 1039818667), (821, 26597067), (2463, 8865689), (5747, 3799581), (17241, 1266527)]