21874408

素因数分解:

$2^3\times {\mathrm{839}}^1\times {\mathrm{3259}}^1$

素因数の和:4104

約数の個数: 16

約数和(自身を含む): 41076000

約数和(自身を除く): 19201592

約数列:

[1, 2, 4, 8, 839, 1678, 3259, 3356, 6518, 6712, 13036, 26072, 2734301, 5468602, 10937204, 21874408]

約数ペア:

[(1, 21874408), (2, 10937204), (4, 5468602), (8, 2734301), (839, 26072), (1678, 13036), (3259, 6712), (3356, 6518)]