21173746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2297}}^1$

素因数の和:2729

約数の個数: 16

約数和(自身を含む): 34745760

約数和(自身を除く): 13572014

約数列:

[1, 2, 11, 22, 419, 838, 2297, 4594, 4609, 9218, 25267, 50534, 962443, 1924886, 10586873, 21173746]

約数ペア:

[(1, 21173746), (2, 10586873), (11, 1924886), (22, 962443), (419, 50534), (838, 25267), (2297, 9218), (4594, 4609)]