21355998

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{86813}}^1$

素因数の和:86859

約数の個数: 16

約数和(自身を含む): 43754256

約数和(自身を除く): 22398258

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 86813, 173626, 260439, 520878, 3559333, 7118666, 10677999, 21355998]

約数ペア:

[(1, 21355998), (2, 10677999), (3, 7118666), (6, 3559333), (41, 520878), (82, 260439), (123, 173626), (246, 86813)]