21519367023

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{28393}}^1$

素因数の和:28624

約数の個数: 64

約数和(自身を含む): 38074309632

約数和(自身を除く): 16554942609

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 193, 231, 357, 561, 579, 1309, 1351, 2123, 3281, 3927, 4053, 6369, 9843, 14861, 22967, 28393, 36091, 44583, 68901, 85179, 108273, 198751, 252637, 312323, 482681, 596253, 757911, 936969, 1448043, 2186261, 3378767, 5309491, 5479849, 6558783, 10136301, 15928473, 16439547, 37166437, 38358943, 60278339, 93157433, 111499311, 115076829, 180835017, 279472299, 421948373, 652102031, 1024731763, 1265845119, 1956306093, 3074195289, 7173122341, 21519367023]

約数ペア:

[(1, 21519367023), (3, 7173122341), (7, 3074195289), (11, 1956306093), (17, 1265845119), (21, 1024731763), (33, 652102031), (51, 421948373), (77, 279472299), (119, 180835017), (187, 115076829), (193, 111499311), (231, 93157433), (357, 60278339), (561, 38358943), (579, 37166437), (1309, 16439547), (1351, 15928473), (2123, 10136301), (3281, 6558783), (3927, 5479849), (4053, 5309491), (6369, 3378767), (9843, 2186261), (14861, 1448043), (22967, 936969), (28393, 757911), (36091, 596253), (44583, 482681), (68901, 312323), (85179, 252637), (108273, 198751)]