21023647812

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{90359}}^1$

素因数の和:90673

約数の個数: 72

約数和(自身を含む): 55651639680

約数和(自身を除く): 34627991868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 281, 414, 562, 828, 843, 1124, 1686, 2529, 3372, 5058, 6463, 10116, 12926, 19389, 25852, 38778, 58167, 77556, 90359, 116334, 180718, 232668, 271077, 361436, 542154, 813231, 1084308, 1626462, 2078257, 3252924, 4156514, 6234771, 8313028, 12469542, 18704313, 24939084, 25390879, 37408626, 50781758, 74817252, 76172637, 101563516, 152345274, 228517911, 304690548, 457035822, 583990217, 914071644, 1167980434, 1751970651, 2335960868, 3503941302, 5255911953, 7007882604, 10511823906, 21023647812]

約数ペア:

[(1, 21023647812), (2, 10511823906), (3, 7007882604), (4, 5255911953), (6, 3503941302), (9, 2335960868), (12, 1751970651), (18, 1167980434), (23, 914071644), (36, 583990217), (46, 457035822), (69, 304690548), (92, 228517911), (138, 152345274), (207, 101563516), (276, 76172637), (281, 74817252), (414, 50781758), (562, 37408626), (828, 25390879), (843, 24939084), (1124, 18704313), (1686, 12469542), (2529, 8313028), (3372, 6234771), (5058, 4156514), (6463, 3252924), (10116, 2078257), (12926, 1626462), (19389, 1084308), (25852, 813231), (38778, 542154), (58167, 361436), (77556, 271077), (90359, 232668), (116334, 180718)]