21045018

素因数分解:

$2^1\times 3^1\times {\mathrm{293}}^1\times {\mathrm{11971}}^1$

素因数の和:12269

約数の個数: 16

約数和(自身を含む): 42237216

約数和(自身を除く): 21192198

約数列:

[1, 2, 3, 6, 293, 586, 879, 1758, 11971, 23942, 35913, 71826, 3507503, 7015006, 10522509, 21045018]

約数ペア:

[(1, 21045018), (2, 10522509), (3, 7015006), (6, 3507503), (293, 71826), (586, 35913), (879, 23942), (1758, 11971)]