21131162

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11447}}^1$

素因数の和:11533

約数の個数: 16

約数和(自身を含む): 34618752

約数和(自身を除く): 13487590

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11447, 22894, 148811, 297622, 812737, 1625474, 10565581, 21131162]

約数ペア:

[(1, 21131162), (2, 10565581), (13, 1625474), (26, 812737), (71, 297622), (142, 148811), (923, 22894), (1846, 11447)]