2100996976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1999}}^1$

素因数の和:2214

約数の個数: 80

約数和(自身を含む): 4555264000

約数和(自身を除く): 2454267024

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 163, 208, 248, 326, 403, 496, 652, 806, 1304, 1612, 1999, 2119, 2608, 3224, 3998, 4238, 5053, 6448, 7996, 8476, 10106, 15992, 16952, 20212, 25987, 31984, 33904, 40424, 51974, 61969, 65689, 80848, 103948, 123938, 131378, 207896, 247876, 262756, 325837, 415792, 495752, 525512, 651674, 805597, 991504, 1051024, 1303348, 1611194, 2606696, 3222388, 4235881, 5213392, 6444776, 8471762, 10100947, 12889552, 16943524, 20201894, 33887048, 40403788, 67774096, 80807576, 131312311, 161615152, 262624622, 525249244, 1050498488, 2100996976]

約数ペア:

[(1, 2100996976), (2, 1050498488), (4, 525249244), (8, 262624622), (13, 161615152), (16, 131312311), (26, 80807576), (31, 67774096), (52, 40403788), (62, 33887048), (104, 20201894), (124, 16943524), (163, 12889552), (208, 10100947), (248, 8471762), (326, 6444776), (403, 5213392), (496, 4235881), (652, 3222388), (806, 2606696), (1304, 1611194), (1612, 1303348), (1999, 1051024), (2119, 991504), (2608, 805597), (3224, 651674), (3998, 525512), (4238, 495752), (5053, 415792), (6448, 325837), (7996, 262756), (8476, 247876), (10106, 207896), (15992, 131378), (16952, 123938), (20212, 103948), (25987, 80848), (31984, 65689), (33904, 61969), (40424, 51974)]