21894512

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25819}}^1$

素因数の和:25880

約数の個数: 20

約数和(自身を含む): 43222680

約数和(自身を除く): 21328168

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25819, 51638, 103276, 206552, 413104, 1368407, 2736814, 5473628, 10947256, 21894512]

約数ペア:

[(1, 21894512), (2, 10947256), (4, 5473628), (8, 2736814), (16, 1368407), (53, 413104), (106, 206552), (212, 103276), (424, 51638), (848, 25819)]