21000775067

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{64231}}^1$

素因数の和:64514

約数の個数: 16

約数和(自身を含む): 22198579200

約数和(自身を除く): 1197804133

約数列:

[1, 31, 53, 199, 1643, 6169, 10547, 64231, 326957, 1991161, 3404243, 12781969, 105531533, 396241039, 677444357, 21000775067]

約数ペア:

[(1, 21000775067), (31, 677444357), (53, 396241039), (199, 105531533), (1643, 12781969), (6169, 3404243), (10547, 1991161), (64231, 326957)]