21652912

素因数分解:

$2^4\times {\mathrm{839}}^1\times {\mathrm{1613}}^1$

素因数の和:2460

約数の個数: 20

約数和(自身を含む): 42028560

約数和(自身を除く): 20375648

約数列:

[1, 2, 4, 8, 16, 839, 1613, 1678, 3226, 3356, 6452, 6712, 12904, 13424, 25808, 1353307, 2706614, 5413228, 10826456, 21652912]

約数ペア:

[(1, 21652912), (2, 10826456), (4, 5413228), (8, 2706614), (16, 1353307), (839, 25808), (1613, 13424), (1678, 12904), (3226, 6712), (3356, 6452)]