21812812

素因数分解:

$2^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1193}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 43729056

約数和(自身を除く): 21916244

約数列:

[1, 2, 4, 7, 14, 28, 653, 1193, 1306, 2386, 2612, 4571, 4772, 8351, 9142, 16702, 18284, 33404, 779029, 1558058, 3116116, 5453203, 10906406, 21812812]

約数ペア:

[(1, 21812812), (2, 10906406), (4, 5453203), (7, 3116116), (14, 1558058), (28, 779029), (653, 33404), (1193, 18284), (1306, 16702), (2386, 9142), (2612, 8351), (4571, 4772)]