21856648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{248371}}^1$

素因数の和:248388

約数の個数: 16

約数和(自身を含む): 44706960

約数和(自身を除く): 22850312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 248371, 496742, 993484, 1986968, 2732081, 5464162, 10928324, 21856648]

約数ペア:

[(1, 21856648), (2, 10928324), (4, 5464162), (8, 2732081), (11, 1986968), (22, 993484), (44, 496742), (88, 248371)]