21183580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96289}}^1$

素因数の和:96309

約数の個数: 24

約数和(自身を含む): 48530160

約数和(自身を除く): 27346580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96289, 192578, 385156, 481445, 962890, 1059179, 1925780, 2118358, 4236716, 5295895, 10591790, 21183580]

約数ペア:

[(1, 21183580), (2, 10591790), (4, 5295895), (5, 4236716), (10, 2118358), (11, 1925780), (20, 1059179), (22, 962890), (44, 481445), (55, 385156), (110, 192578), (220, 96289)]