21333305

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26501}}^1$

素因数の和:26536

約数の個数: 16

約数和(自身を含む): 30530304

約数和(自身を除く): 9196999

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26501, 132505, 185507, 609523, 927535, 3047615, 4266661, 21333305]

約数ペア:

[(1, 21333305), (5, 4266661), (7, 3047615), (23, 927535), (35, 609523), (115, 185507), (161, 132505), (805, 26501)]