21926765

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2887}}^1$

素因数の和:2937

約数の個数: 24

約数和(自身を含む): 31606272

約数和(自身を除く): 9679507

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 2887, 7595, 14435, 20209, 89497, 101045, 141463, 447485, 626479, 707315, 3132395, 4385353, 21926765]

約数ペア:

[(1, 21926765), (5, 4385353), (7, 3132395), (31, 707315), (35, 626479), (49, 447485), (155, 141463), (217, 101045), (245, 89497), (1085, 20209), (1519, 14435), (2887, 7595)]