13421140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21647}}^1$

素因数の和:21687

約数の個数: 24

約数和(自身を含む): 29094912

約数和(自身を除く): 15673772

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21647, 43294, 86588, 108235, 216470, 432940, 671057, 1342114, 2684228, 3355285, 6710570, 13421140]

約数ペア:

[(1, 13421140), (2, 6710570), (4, 3355285), (5, 2684228), (10, 1342114), (20, 671057), (31, 432940), (62, 216470), (124, 108235), (155, 86588), (310, 43294), (620, 21647)]