21529706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{263}}^1$

素因数の和:398

約数の個数: 24

約数和(自身を含む): 35953632

約数和(自身を除く): 14423926

約数列:

[1, 2, 11, 22, 61, 122, 263, 526, 671, 1342, 2893, 3721, 5786, 7442, 16043, 32086, 40931, 81862, 176473, 352946, 978623, 1957246, 10764853, 21529706]

約数ペア:

[(1, 21529706), (2, 10764853), (11, 1957246), (22, 978623), (61, 352946), (122, 176473), (263, 81862), (526, 40931), (671, 32086), (1342, 16043), (2893, 7442), (3721, 5786)]