21238456

素因数分解:

$2^3\times {\mathrm{797}}^1\times {\mathrm{3331}}^1$

素因数の和:4134

約数の個数: 16

約数和(自身を含む): 39884040

約数和(自身を除く): 18645584

約数列:

[1, 2, 4, 8, 797, 1594, 3188, 3331, 6376, 6662, 13324, 26648, 2654807, 5309614, 10619228, 21238456]

約数ペア:

[(1, 21238456), (2, 10619228), (4, 5309614), (8, 2654807), (797, 26648), (1594, 13324), (3188, 6662), (3331, 6376)]