21043156

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 37566144

約数和(自身を除く): 16522988

約数列:

[1, 2, 4, 83, 166, 241, 263, 332, 482, 526, 964, 1052, 20003, 21829, 40006, 43658, 63383, 80012, 87316, 126766, 253532, 5260789, 10521578, 21043156]

約数ペア:

[(1, 21043156), (2, 10521578), (4, 5260789), (83, 253532), (166, 126766), (241, 87316), (263, 80012), (332, 63383), (482, 43658), (526, 40006), (964, 21829), (1052, 20003)]