21422260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28949}}^1$

素因数の和:28995

約数の個数: 24

約数和(自身を含む): 46204200

約数和(自身を除く): 24781940

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 28949, 57898, 115796, 144745, 289490, 578980, 1071113, 2142226, 4284452, 5355565, 10711130, 21422260]

約数ペア:

[(1, 21422260), (2, 10711130), (4, 5355565), (5, 4284452), (10, 2142226), (20, 1071113), (37, 578980), (74, 289490), (148, 144745), (185, 115796), (370, 57898), (740, 28949)]