21941885

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 31836672

約数和(自身を除く): 9894787

約数列:

[1, 5, 7, 23, 35, 97, 115, 161, 281, 485, 679, 805, 1405, 1967, 2231, 3395, 6463, 9835, 11155, 15617, 27257, 32315, 45241, 78085, 136285, 190799, 226205, 626911, 953995, 3134555, 4388377, 21941885]

約数ペア:

[(1, 21941885), (5, 4388377), (7, 3134555), (23, 953995), (35, 626911), (97, 226205), (115, 190799), (161, 136285), (281, 78085), (485, 45241), (679, 32315), (805, 27257), (1405, 15617), (1967, 11155), (2231, 9835), (3395, 6463)]