21236124

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19447}}^1$

素因数の和:19474

約数の個数: 48

約数和(自身を含む): 60988928

約数和(自身を除く): 39752804

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19447, 38894, 58341, 77788, 116682, 136129, 233364, 252811, 272258, 408387, 505622, 544516, 758433, 816774, 1011244, 1516866, 1633548, 1769677, 3033732, 3539354, 5309031, 7078708, 10618062, 21236124]

約数ペア:

[(1, 21236124), (2, 10618062), (3, 7078708), (4, 5309031), (6, 3539354), (7, 3033732), (12, 1769677), (13, 1633548), (14, 1516866), (21, 1011244), (26, 816774), (28, 758433), (39, 544516), (42, 505622), (52, 408387), (78, 272258), (84, 252811), (91, 233364), (156, 136129), (182, 116682), (273, 77788), (364, 58341), (546, 38894), (1092, 19447)]