21496448

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8839}}^1$

素因数の和:8872

約数の個数: 32

約数和(自身を含む): 45084000

約数和(自身を除く): 23587552

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8839, 17678, 35356, 70712, 141424, 167941, 282848, 335882, 565696, 671764, 1131392, 1343528, 2687056, 5374112, 10748224, 21496448]

約数ペア:

[(1, 21496448), (2, 10748224), (4, 5374112), (8, 2687056), (16, 1343528), (19, 1131392), (32, 671764), (38, 565696), (64, 335882), (76, 282848), (128, 167941), (152, 141424), (304, 70712), (608, 35356), (1216, 17678), (2432, 8839)]