20211897464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{738523}}^1$

素因数の和:738851

約数の個数: 32

約数和(自身を含む): 41475507840

約数和(自身を除く): 21263610376

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 311, 622, 1244, 2488, 3421, 6842, 13684, 27368, 738523, 1477046, 2954092, 5908184, 8123753, 16247506, 32495012, 64990024, 229680653, 459361306, 918722612, 1837445224, 2526487183, 5052974366, 10105948732, 20211897464]

約数ペア:

[(1, 20211897464), (2, 10105948732), (4, 5052974366), (8, 2526487183), (11, 1837445224), (22, 918722612), (44, 459361306), (88, 229680653), (311, 64990024), (622, 32495012), (1244, 16247506), (2488, 8123753), (3421, 5908184), (6842, 2954092), (13684, 1477046), (27368, 738523)]