20211757426

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1\times {\mathrm{111491}}^1$

素因数の和:112086

約数の個数: 32

約数和(自身を含む): 36219737088

約数和(自身を除く): 16007979662

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 563, 1126, 3941, 7882, 12949, 25898, 90643, 111491, 181286, 222982, 780437, 1560874, 2564293, 5128586, 17950051, 35900102, 62769433, 125538866, 439386031, 878772062, 1443696959, 2887393918, 10105878713, 20211757426]

約数ペア:

[(1, 20211757426), (2, 10105878713), (7, 2887393918), (14, 1443696959), (23, 878772062), (46, 439386031), (161, 125538866), (322, 62769433), (563, 35900102), (1126, 17950051), (3941, 5128586), (7882, 2564293), (12949, 1560874), (25898, 780437), (90643, 222982), (111491, 181286)]