21428563328

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{953}}^1\times {\mathrm{1811}}^1$

素因数の和:2875

約数の個数: 64

約数和(自身を含む): 43198913520

約数和(自身を除く): 21770350192

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 953, 1552, 1811, 1906, 3104, 3622, 3812, 6208, 7244, 7624, 12416, 14488, 15248, 28976, 30496, 57952, 60992, 92441, 115904, 121984, 175667, 184882, 231808, 351334, 369764, 702668, 739528, 1405336, 1479056, 1725883, 2810672, 2958112, 3451766, 5621344, 5916224, 6903532, 11242688, 11832448, 13807064, 22485376, 27614128, 55228256, 110456512, 167410651, 220913024, 334821302, 669642604, 1339285208, 2678570416, 5357140832, 10714281664, 21428563328]

約数ペア:

[(1, 21428563328), (2, 10714281664), (4, 5357140832), (8, 2678570416), (16, 1339285208), (32, 669642604), (64, 334821302), (97, 220913024), (128, 167410651), (194, 110456512), (388, 55228256), (776, 27614128), (953, 22485376), (1552, 13807064), (1811, 11832448), (1906, 11242688), (3104, 6903532), (3622, 5916224), (3812, 5621344), (6208, 3451766), (7244, 2958112), (7624, 2810672), (12416, 1725883), (14488, 1479056), (15248, 1405336), (28976, 739528), (30496, 702668), (57952, 369764), (60992, 351334), (92441, 231808), (115904, 184882), (121984, 175667)]