21000686711

素因数分解:

${\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1\times {\mathrm{4003}}^1$

素因数の和:4886

約数の個数: 16

約数和(自身を含む): 21660038400

約数和(自身を除く): 659351689

約数列:

[1, 41, 199, 643, 4003, 8159, 26363, 127957, 164123, 796597, 2573929, 5246237, 32660477, 105531089, 512211871, 21000686711]

約数ペア:

[(1, 21000686711), (41, 512211871), (199, 105531089), (643, 32660477), (4003, 5246237), (8159, 2573929), (26363, 796597), (127957, 164123)]