21169445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2549}}^1$

素因数の和:2716

約数の個数: 16

約数和(自身を含む): 27907200

約数和(自身を除く): 6737755

約数列:

[1, 5, 11, 55, 151, 755, 1661, 2549, 8305, 12745, 28039, 140195, 384899, 1924495, 4233889, 21169445]

約数ペア:

[(1, 21169445), (5, 4233889), (11, 1924495), (55, 384899), (151, 140195), (755, 28039), (1661, 12745), (2549, 8305)]