21000724822

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{298399}}^1$

素因数の和:298876

約数の個数: 32

約数和(自身を含む): 39360153600

約数和(自身を除く): 18359428778

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 457, 914, 3199, 5027, 6398, 10054, 35189, 70378, 298399, 596798, 2088793, 3282389, 4177586, 6564778, 22976723, 45953446, 136368343, 272736686, 954578401, 1500051773, 1909156802, 3000103546, 10500362411, 21000724822]

約数ペア:

[(1, 21000724822), (2, 10500362411), (7, 3000103546), (11, 1909156802), (14, 1500051773), (22, 954578401), (77, 272736686), (154, 136368343), (457, 45953446), (914, 22976723), (3199, 6564778), (5027, 4177586), (6398, 3282389), (10054, 2088793), (35189, 596798), (70378, 298399)]