21626360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{77237}}^1$

素因数の和:77255

約数の個数: 32

約数和(自身を含む): 55611360

約数和(自身を除く): 33985000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 77237, 154474, 308948, 386185, 540659, 617896, 772370, 1081318, 1544740, 2162636, 2703295, 3089480, 4325272, 5406590, 10813180, 21626360]

約数ペア:

[(1, 21626360), (2, 10813180), (4, 5406590), (5, 4325272), (7, 3089480), (8, 2703295), (10, 2162636), (14, 1544740), (20, 1081318), (28, 772370), (35, 617896), (40, 540659), (56, 386185), (70, 308948), (140, 154474), (280, 77237)]