21152648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240371}}^1$

素因数の和:240388

約数の個数: 16

約数和(自身を含む): 43266960

約数和(自身を除く): 22114312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240371, 480742, 961484, 1922968, 2644081, 5288162, 10576324, 21152648]

約数ペア:

[(1, 21152648), (2, 10576324), (4, 5288162), (8, 2644081), (11, 1922968), (22, 961484), (44, 480742), (88, 240371)]