21045912

素因数分解:

$2^3\times 3^1\times {\mathrm{876913}}^1$

素因数の和:876922

約数の個数: 16

約数和(自身を含む): 52614840

約数和(自身を除く): 31568928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 876913, 1753826, 2630739, 3507652, 5261478, 7015304, 10522956, 21045912]

約数ペア:

[(1, 21045912), (2, 10522956), (3, 7015304), (4, 5261478), (6, 3507652), (8, 2630739), (12, 1753826), (24, 876913)]