21104698815

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{1543}}^1$

素因数の和:1853

約数の個数: 96

約数和(自身を含む): 38846545920

約数和(自身を除く): 17741847105

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 223, 235, 261, 423, 435, 669, 705, 1115, 1305, 1363, 1543, 2007, 2115, 3345, 4089, 4629, 6467, 6815, 7715, 10035, 10481, 12267, 13887, 19401, 20445, 23145, 31443, 32335, 44747, 52405, 58203, 61335, 69435, 72521, 94329, 97005, 134241, 157215, 217563, 223735, 291015, 303949, 344089, 362605, 402723, 471645, 652689, 671205, 911847, 1032267, 1087815, 1519745, 1720445, 2013615, 2103109, 2735541, 3096801, 3263445, 4559235, 5161335, 6309327, 9978581, 10515545, 13677705, 15484005, 16172183, 18927981, 29935743, 31546635, 48516549, 49892905, 80860915, 89807229, 94639905, 145549647, 149678715, 242582745, 449036145, 468993307, 727748235, 1406979921, 2344966535, 4220939763, 7034899605, 21104698815]

約数ペア:

[(1, 21104698815), (3, 7034899605), (5, 4220939763), (9, 2344966535), (15, 1406979921), (29, 727748235), (45, 468993307), (47, 449036145), (87, 242582745), (141, 149678715), (145, 145549647), (223, 94639905), (235, 89807229), (261, 80860915), (423, 49892905), (435, 48516549), (669, 31546635), (705, 29935743), (1115, 18927981), (1305, 16172183), (1363, 15484005), (1543, 13677705), (2007, 10515545), (2115, 9978581), (3345, 6309327), (4089, 5161335), (4629, 4559235), (6467, 3263445), (6815, 3096801), (7715, 2735541), (10035, 2103109), (10481, 2013615), (12267, 1720445), (13887, 1519745), (19401, 1087815), (20445, 1032267), (23145, 911847), (31443, 671205), (32335, 652689), (44747, 471645), (52405, 402723), (58203, 362605), (61335, 344089), (69435, 303949), (72521, 291015), (94329, 223735), (97005, 217563), (134241, 157215)]