16921628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4201}}^1$

素因数の和:4277

約数の個数: 24

約数和(自身を含む): 31767120

約数和(自身を除く): 14845492

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 4201, 8402, 16804, 79819, 159638, 222653, 319276, 445306, 890612, 4230407, 8460814, 16921628]

約数ペア:

[(1, 16921628), (2, 8460814), (4, 4230407), (19, 890612), (38, 445306), (53, 319276), (76, 222653), (106, 159638), (212, 79819), (1007, 16804), (2014, 8402), (4028, 4201)]