21186496

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:461

約数の個数: 56

約数和(自身を含む): 45171360

約数和(自身を除く): 23984864

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 64, 74, 92, 148, 184, 296, 368, 389, 592, 736, 778, 851, 1184, 1472, 1556, 1702, 2368, 3112, 3404, 6224, 6808, 8947, 12448, 13616, 14393, 17894, 24896, 27232, 28786, 35788, 54464, 57572, 71576, 115144, 143152, 230288, 286304, 331039, 460576, 572608, 662078, 921152, 1324156, 2648312, 5296624, 10593248, 21186496]

約数ペア:

[(1, 21186496), (2, 10593248), (4, 5296624), (8, 2648312), (16, 1324156), (23, 921152), (32, 662078), (37, 572608), (46, 460576), (64, 331039), (74, 286304), (92, 230288), (148, 143152), (184, 115144), (296, 71576), (368, 57572), (389, 54464), (592, 35788), (736, 28786), (778, 27232), (851, 24896), (1184, 17894), (1472, 14393), (1556, 13616), (1702, 12448), (2368, 8947), (3112, 6808), (3404, 6224)]