21499683646

素因数分解:

$2^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{643}}^1\times {\mathrm{1259}}^1$

素因数の和:2189

約数の個数: 48

約数和(自身を含む): 37741697280

約数和(自身を除く): 16242013634

約数列:

[1, 2, 7, 14, 49, 98, 271, 542, 643, 1259, 1286, 1897, 2518, 3794, 4501, 8813, 9002, 13279, 17626, 26558, 31507, 61691, 63014, 123382, 174253, 341189, 348506, 682378, 809537, 1219771, 1619074, 2388323, 2439542, 4776646, 5666759, 8538397, 11333518, 16718261, 17076794, 33436522, 39667313, 79334626, 219384527, 438769054, 1535691689, 3071383378, 10749841823, 21499683646]

約数ペア:

[(1, 21499683646), (2, 10749841823), (7, 3071383378), (14, 1535691689), (49, 438769054), (98, 219384527), (271, 79334626), (542, 39667313), (643, 33436522), (1259, 17076794), (1286, 16718261), (1897, 11333518), (2518, 8538397), (3794, 5666759), (4501, 4776646), (8813, 2439542), (9002, 2388323), (13279, 1619074), (17626, 1219771), (26558, 809537), (31507, 682378), (61691, 348506), (63014, 341189), (123382, 174253)]