21974667

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 34734336

約数和(自身を除く): 12759669

約数列:

[1, 3, 11, 13, 33, 39, 143, 181, 283, 429, 543, 849, 1991, 2353, 3113, 3679, 5973, 7059, 9339, 11037, 25883, 40469, 51223, 77649, 121407, 153669, 563453, 665899, 1690359, 1997697, 7324889, 21974667]

約数ペア:

[(1, 21974667), (3, 7324889), (11, 1997697), (13, 1690359), (33, 665899), (39, 563453), (143, 153669), (181, 121407), (283, 77649), (429, 51223), (543, 40469), (849, 25883), (1991, 11037), (2353, 9339), (3113, 7059), (3679, 5973)]