21194504128

素因数分解:

$2^6\times 7^1\times {\mathrm{109}}^1\times {\mathrm{434029}}^1$

素因数の和:434157

約数の個数: 56

約数和(自身を含む): 48507192800

約数和(自身を除く): 27312688672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 218, 224, 436, 448, 763, 872, 1526, 1744, 3052, 3488, 6104, 6976, 12208, 24416, 48832, 434029, 868058, 1736116, 3038203, 3472232, 6076406, 6944464, 12152812, 13888928, 24305624, 27777856, 47309161, 48611248, 94618322, 97222496, 189236644, 194444992, 331164127, 378473288, 662328254, 756946576, 1324656508, 1513893152, 2649313016, 3027786304, 5298626032, 10597252064, 21194504128]

約数ペア:

[(1, 21194504128), (2, 10597252064), (4, 5298626032), (7, 3027786304), (8, 2649313016), (14, 1513893152), (16, 1324656508), (28, 756946576), (32, 662328254), (56, 378473288), (64, 331164127), (109, 194444992), (112, 189236644), (218, 97222496), (224, 94618322), (436, 48611248), (448, 47309161), (763, 27777856), (872, 24305624), (1526, 13888928), (1744, 12152812), (3052, 6944464), (3488, 6076406), (6104, 3472232), (6976, 3038203), (12208, 1736116), (24416, 868058), (48832, 434029)]