21082380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1879}}^1$

素因数の和:1919

約数の個数: 96

約数和(自身を含む): 68221440

約数和(自身を除く): 47139060

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1870, 1879, 2244, 2805, 3740, 3758, 5610, 5637, 7516, 9395, 11220, 11274, 18790, 20669, 22548, 28185, 31943, 37580, 41338, 56370, 62007, 63886, 82676, 95829, 103345, 112740, 124014, 127772, 159715, 191658, 206690, 248028, 310035, 319430, 351373, 383316, 413380, 479145, 620070, 638860, 702746, 958290, 1054119, 1240140, 1405492, 1756865, 1916580, 2108238, 3513730, 4216476, 5270595, 7027460, 10541190, 21082380]

約数ペア:

[(1, 21082380), (2, 10541190), (3, 7027460), (4, 5270595), (5, 4216476), (6, 3513730), (10, 2108238), (11, 1916580), (12, 1756865), (15, 1405492), (17, 1240140), (20, 1054119), (22, 958290), (30, 702746), (33, 638860), (34, 620070), (44, 479145), (51, 413380), (55, 383316), (60, 351373), (66, 319430), (68, 310035), (85, 248028), (102, 206690), (110, 191658), (132, 159715), (165, 127772), (170, 124014), (187, 112740), (204, 103345), (220, 95829), (255, 82676), (330, 63886), (340, 62007), (374, 56370), (510, 41338), (561, 37580), (660, 31943), (748, 28185), (935, 22548), (1020, 20669), (1122, 18790), (1870, 11274), (1879, 11220), (2244, 9395), (2805, 7516), (3740, 5637), (3758, 5610)]