21815256

素因数分解:

$2^3\times 3^1\times {\mathrm{191}}^1\times {\mathrm{4759}}^1$

素因数の和:4959

約数の個数: 32

約数和(自身を含む): 54835200

約数和(自身を除く): 33019944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 191, 382, 573, 764, 1146, 1528, 2292, 4584, 4759, 9518, 14277, 19036, 28554, 38072, 57108, 114216, 908969, 1817938, 2726907, 3635876, 5453814, 7271752, 10907628, 21815256]

約数ペア:

[(1, 21815256), (2, 10907628), (3, 7271752), (4, 5453814), (6, 3635876), (8, 2726907), (12, 1817938), (24, 908969), (191, 114216), (382, 57108), (573, 38072), (764, 28554), (1146, 19036), (1528, 14277), (2292, 9518), (4584, 4759)]