21605174

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{2719}}^1$

素因数の和:2887

約数の個数: 16

約数和(自身を含む): 33782400

約数和(自身を除く): 12177226

約数列:

[1, 2, 29, 58, 137, 274, 2719, 3973, 5438, 7946, 78851, 157702, 372503, 745006, 10802587, 21605174]

約数ペア:

[(1, 21605174), (2, 10802587), (29, 745006), (58, 372503), (137, 157702), (274, 78851), (2719, 7946), (3973, 5438)]