21589694

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12959}}^1$

素因数の和:12992

約数の個数: 24

約数和(自身を含む): 39890880

約数和(自身を除く): 18301186

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12959, 25918, 90713, 181426, 220303, 440606, 634991, 1269982, 1542121, 3084242, 10794847, 21589694]

約数ペア:

[(1, 21589694), (2, 10794847), (7, 3084242), (14, 1542121), (17, 1269982), (34, 634991), (49, 440606), (98, 220303), (119, 181426), (238, 90713), (833, 25918), (1666, 12959)]