21513556

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{617}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 39453120

約数和(自身を除く): 17939564

約数列:

[1, 2, 4, 23, 46, 92, 379, 617, 758, 1234, 1516, 2468, 8717, 14191, 17434, 28382, 34868, 56764, 233843, 467686, 935372, 5378389, 10756778, 21513556]

約数ペア:

[(1, 21513556), (2, 10756778), (4, 5378389), (23, 935372), (46, 467686), (92, 233843), (379, 56764), (617, 34868), (758, 28382), (1234, 17434), (1516, 14191), (2468, 8717)]