21052149

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{2131}}^1$

素因数の和:2260

約数の個数: 16

約数和(自身を含む): 29165760

約数和(自身を除く): 8113611

約数列:

[1, 3, 37, 89, 111, 267, 2131, 3293, 6393, 9879, 78847, 189659, 236541, 568977, 7017383, 21052149]

約数ペア:

[(1, 21052149), (3, 7017383), (37, 568977), (89, 236541), (111, 189659), (267, 78847), (2131, 9879), (3293, 6393)]