21276979665

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{15727}}^1$

素因数の和:15902

約数の個数: 64

約数和(自身を含む): 36962058240

約数和(自身を除く): 15685078575

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 101, 141, 235, 285, 303, 505, 705, 893, 1515, 1919, 2679, 4465, 4747, 5757, 9595, 13395, 14241, 15727, 23735, 28785, 47181, 71205, 78635, 90193, 235905, 270579, 298813, 450965, 739169, 896439, 1352895, 1494065, 1588427, 2217507, 3695845, 4482195, 4765281, 7942135, 11087535, 14044211, 23826405, 30180113, 42132633, 70221055, 74656069, 90540339, 150900565, 210663165, 223968207, 373280345, 452701695, 1119841035, 1418465311, 4255395933, 7092326555, 21276979665]

約数ペア:

[(1, 21276979665), (3, 7092326555), (5, 4255395933), (15, 1418465311), (19, 1119841035), (47, 452701695), (57, 373280345), (95, 223968207), (101, 210663165), (141, 150900565), (235, 90540339), (285, 74656069), (303, 70221055), (505, 42132633), (705, 30180113), (893, 23826405), (1515, 14044211), (1919, 11087535), (2679, 7942135), (4465, 4765281), (4747, 4482195), (5757, 3695845), (9595, 2217507), (13395, 1588427), (14241, 1494065), (15727, 1352895), (23735, 896439), (28785, 739169), (47181, 450965), (71205, 298813), (78635, 270579), (90193, 235905)]