21476912

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7759}}^1$

素因数の和:7940

約数の個数: 20

約数和(自身を含む): 41857440

約数和(自身を除く): 20380528

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7759, 15518, 31036, 62072, 124144, 1342307, 2684614, 5369228, 10738456, 21476912]

約数ペア:

[(1, 21476912), (2, 10738456), (4, 5369228), (8, 2684614), (16, 1342307), (173, 124144), (346, 62072), (692, 31036), (1384, 15518), (2768, 7759)]