21334784

素因数分解:

$2^8\times {\mathrm{83339}}^1$

素因数の和:83355

約数の個数: 18

約数和(自身を含む): 42586740

約数和(自身を除く): 21251956

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 83339, 166678, 333356, 666712, 1333424, 2666848, 5333696, 10667392, 21334784]

約数ペア:

[(1, 21334784), (2, 10667392), (4, 5333696), (8, 2666848), (16, 1333424), (32, 666712), (64, 333356), (128, 166678), (256, 83339)]