21490770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{102337}}^1$

素因数の和:102354

約数の個数: 32

約数和(自身を含む): 58946688

約数和(自身を除く): 37455918

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 102337, 204674, 307011, 511685, 614022, 716359, 1023370, 1432718, 1535055, 2149077, 3070110, 3581795, 4298154, 7163590, 10745385, 21490770]

約数ペア:

[(1, 21490770), (2, 10745385), (3, 7163590), (5, 4298154), (6, 3581795), (7, 3070110), (10, 2149077), (14, 1535055), (15, 1432718), (21, 1023370), (30, 716359), (35, 614022), (42, 511685), (70, 307011), (105, 204674), (210, 102337)]