21004804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{883}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 38860640

約数和(自身を除く): 17855836

約数列:

[1, 2, 4, 19, 38, 76, 313, 626, 883, 1252, 1766, 3532, 5947, 11894, 16777, 23788, 33554, 67108, 276379, 552758, 1105516, 5251201, 10502402, 21004804]

約数ペア:

[(1, 21004804), (2, 10502402), (4, 5251201), (19, 1105516), (38, 552758), (76, 276379), (313, 67108), (626, 33554), (883, 23788), (1252, 16777), (1766, 11894), (3532, 5947)]