21489421877

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1213}}^1\times {\mathrm{230077}}^1$

素因数の和:231308

約数の個数: 16

約数和(自身を含む): 26814210432

約数和(自身を除く): 5324788555

約数列:

[1, 7, 11, 77, 1213, 8491, 13343, 93401, 230077, 1610539, 2530847, 17715929, 279083401, 1953583807, 3069917411, 21489421877]

約数ペア:

[(1, 21489421877), (7, 3069917411), (11, 1953583807), (77, 279083401), (1213, 17715929), (8491, 2530847), (13343, 1610539), (93401, 230077)]