21888755

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27191}}^1$

素因数の和:27226

約数の個数: 16

約数和(自身を含む): 31325184

約数和(自身を除く): 9436429

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 27191, 135955, 190337, 625393, 951685, 3126965, 4377751, 21888755]

約数ペア:

[(1, 21888755), (5, 4377751), (7, 3126965), (23, 951685), (35, 625393), (115, 190337), (161, 135955), (805, 27191)]