21837235

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27127}}^1$

素因数の和:27162

約数の個数: 16

約数和(自身を含む): 31251456

約数和(自身を除く): 9414221

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 27127, 135635, 189889, 623921, 949445, 3119605, 4367447, 21837235]

約数ペア:

[(1, 21837235), (5, 4367447), (7, 3119605), (23, 949445), (35, 623921), (115, 189889), (161, 135635), (805, 27127)]