21070072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154927}}^1$

素因数の和:154950

約数の個数: 16

約数和(自身を含む): 41830560

約数和(自身を除く): 20760488

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154927, 309854, 619708, 1239416, 2633759, 5267518, 10535036, 21070072]

約数ペア:

[(1, 21070072), (2, 10535036), (4, 5267518), (8, 2633759), (17, 1239416), (34, 619708), (68, 309854), (136, 154927)]