21818050

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{3331}}^1$

素因数の和:3474

約数の個数: 24

約数和(自身を含む): 40903632

約数和(自身を除く): 19085582

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 655, 1310, 3275, 3331, 6550, 6662, 16655, 33310, 83275, 166550, 436361, 872722, 2181805, 4363610, 10909025, 21818050]

約数ペア:

[(1, 21818050), (2, 10909025), (5, 4363610), (10, 2181805), (25, 872722), (50, 436361), (131, 166550), (262, 83275), (655, 33310), (1310, 16655), (3275, 6662), (3331, 6550)]