21852565

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1933}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 33419520

約数和(自身を除く): 11566955

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 1933, 2261, 9665, 11305, 13531, 32861, 36727, 67655, 164305, 183635, 230027, 257089, 624359, 1150135, 1285445, 3121795, 4370513, 21852565]

約数ペア:

[(1, 21852565), (5, 4370513), (7, 3121795), (17, 1285445), (19, 1150135), (35, 624359), (85, 257089), (95, 230027), (119, 183635), (133, 164305), (323, 67655), (595, 36727), (665, 32861), (1615, 13531), (1933, 11305), (2261, 9665)]