21054064

素因数分解:

$2^4\times {\mathrm{1103}}^1\times {\mathrm{1193}}^1$

素因数の和:2304

約数の個数: 20

約数和(自身を含む): 40863456

約数和(自身を除く): 19809392

約数列:

[1, 2, 4, 8, 16, 1103, 1193, 2206, 2386, 4412, 4772, 8824, 9544, 17648, 19088, 1315879, 2631758, 5263516, 10527032, 21054064]

約数ペア:

[(1, 21054064), (2, 10527032), (4, 5263516), (8, 2631758), (16, 1315879), (1103, 19088), (1193, 17648), (2206, 9544), (2386, 8824), (4412, 4772)]