21836019095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1543}}^1\times {\mathrm{3257}}^1$

素因数の和:4895

約数の個数: 32

約数和(自身を含む): 28974827520

約数和(自身を除く): 7138808425

約数列:

[1, 5, 11, 55, 79, 395, 869, 1543, 3257, 4345, 7715, 16285, 16973, 35827, 84865, 121897, 179135, 257303, 609485, 1286515, 1340867, 2830333, 5025551, 6704335, 14151665, 25127755, 55281061, 276405305, 397018529, 1985092645, 4367203819, 21836019095]

約数ペア:

[(1, 21836019095), (5, 4367203819), (11, 1985092645), (55, 397018529), (79, 276405305), (395, 55281061), (869, 25127755), (1543, 14151665), (3257, 6704335), (4345, 5025551), (7715, 2830333), (16285, 1340867), (16973, 1286515), (35827, 609485), (84865, 257303), (121897, 179135)]