21120402

素因数分解:

$2^1\times 3^1\times {\mathrm{907}}^1\times {\mathrm{3881}}^1$

素因数の和:4793

約数の個数: 16

約数和(自身を含む): 42298272

約数和(自身を除く): 21177870

約数列:

[1, 2, 3, 6, 907, 1814, 2721, 3881, 5442, 7762, 11643, 23286, 3520067, 7040134, 10560201, 21120402]

約数ペア:

[(1, 21120402), (2, 10560201), (3, 7040134), (6, 3520067), (907, 23286), (1814, 11643), (2721, 7762), (3881, 5442)]