21341104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70201}}^1$

素因数の和:70228

約数の個数: 20

約数和(自身を含む): 43525240

約数和(自身を除く): 22184136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70201, 140402, 280804, 561608, 1123216, 1333819, 2667638, 5335276, 10670552, 21341104]

約数ペア:

[(1, 21341104), (2, 10670552), (4, 5335276), (8, 2667638), (16, 1333819), (19, 1123216), (38, 561608), (76, 280804), (152, 140402), (304, 70201)]