21191576

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13049}}^1$

素因数の和:13091

約数の個数: 32

約数和(自身を含む): 46980000

約数和(自身を除く): 25788424

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 13049, 26098, 52196, 91343, 104392, 182686, 365372, 378421, 730744, 756842, 1513684, 2648947, 3027368, 5297894, 10595788, 21191576]

約数ペア:

[(1, 21191576), (2, 10595788), (4, 5297894), (7, 3027368), (8, 2648947), (14, 1513684), (28, 756842), (29, 730744), (56, 378421), (58, 365372), (116, 182686), (203, 104392), (232, 91343), (406, 52196), (812, 26098), (1624, 13049)]