21074216

素因数分解:

$2^3\times {\mathrm{563}}^1\times {\mathrm{4679}}^1$

素因数の和:5248

約数の個数: 16

約数和(自身を含む): 39592800

約数和(自身を除く): 18518584

約数列:

[1, 2, 4, 8, 563, 1126, 2252, 4504, 4679, 9358, 18716, 37432, 2634277, 5268554, 10537108, 21074216]

約数ペア:

[(1, 21074216), (2, 10537108), (4, 5268554), (8, 2634277), (563, 37432), (1126, 18716), (2252, 9358), (4504, 4679)]