21477632

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 48565440

約数和(自身を除く): 27087808

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 256, 263, 319, 352, 464, 526, 638, 704, 928, 1052, 1276, 1408, 1856, 2104, 2552, 2816, 2893, 3712, 4208, 5104, 5786, 7424, 7627, 8416, 10208, 11572, 15254, 16832, 20416, 23144, 30508, 33664, 40832, 46288, 61016, 67328, 81664, 83897, 92576, 122032, 167794, 185152, 244064, 335588, 370304, 488128, 671176, 740608, 976256, 1342352, 1952512, 2684704, 5369408, 10738816, 21477632]

約数ペア:

[(1, 21477632), (2, 10738816), (4, 5369408), (8, 2684704), (11, 1952512), (16, 1342352), (22, 976256), (29, 740608), (32, 671176), (44, 488128), (58, 370304), (64, 335588), (88, 244064), (116, 185152), (128, 167794), (176, 122032), (232, 92576), (256, 83897), (263, 81664), (319, 67328), (352, 61016), (464, 46288), (526, 40832), (638, 33664), (704, 30508), (928, 23144), (1052, 20416), (1276, 16832), (1408, 15254), (1856, 11572), (2104, 10208), (2552, 8416), (2816, 7627), (2893, 7424), (3712, 5786), (4208, 5104)]