21923455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2659}}^1$

素因数の和:2778

約数の個数: 16

約数和(自身を含む): 28153440

約数和(自身を除く): 6229985

約数列:

[1, 5, 17, 85, 97, 485, 1649, 2659, 8245, 13295, 45203, 226015, 257923, 1289615, 4384691, 21923455]

約数ペア:

[(1, 21923455), (5, 4384691), (17, 1289615), (85, 257923), (97, 226015), (485, 45203), (1649, 13295), (2659, 8245)]