21059662

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{10253}}^1$

素因数の和:10347

約数の個数: 16

約数和(自身を含む): 34453440

約数和(自身を除く): 13393778

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 10253, 20506, 133289, 266578, 809987, 1619974, 10529831, 21059662]

約数ペア:

[(1, 21059662), (2, 10529831), (13, 1619974), (26, 809987), (79, 266578), (158, 133289), (1027, 20506), (2054, 10253)]