21148192

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1753}}^1$

素因数の和:1805

約数の個数: 48

約数和(自身を含む): 46410840

約数和(自身を除く): 25262648

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 104, 116, 208, 232, 377, 416, 464, 754, 928, 1508, 1753, 3016, 3506, 6032, 7012, 12064, 14024, 22789, 28048, 45578, 50837, 56096, 91156, 101674, 182312, 203348, 364624, 406696, 660881, 729248, 813392, 1321762, 1626784, 2643524, 5287048, 10574096, 21148192]

約数ペア:

[(1, 21148192), (2, 10574096), (4, 5287048), (8, 2643524), (13, 1626784), (16, 1321762), (26, 813392), (29, 729248), (32, 660881), (52, 406696), (58, 364624), (104, 203348), (116, 182312), (208, 101674), (232, 91156), (377, 56096), (416, 50837), (464, 45578), (754, 28048), (928, 22789), (1508, 14024), (1753, 12064), (3016, 7012), (3506, 6032)]