21621128

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{57503}}^1$

素因数の和:57556

約数の個数: 16

約数和(自身を含む): 41402880

約数和(自身を除く): 19781752

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 57503, 115006, 230012, 460024, 2702641, 5405282, 10810564, 21621128]

約数ペア:

[(1, 21621128), (2, 10810564), (4, 5405282), (8, 2702641), (47, 460024), (94, 230012), (188, 115006), (376, 57503)]