21623152

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 43751664

約数和(自身を除く): 22128512

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 106, 172, 212, 344, 424, 593, 688, 848, 1186, 2279, 2372, 4558, 4744, 9116, 9488, 18232, 25499, 31429, 36464, 50998, 62858, 101996, 125716, 203992, 251432, 407984, 502864, 1351447, 2702894, 5405788, 10811576, 21623152]

約数ペア:

[(1, 21623152), (2, 10811576), (4, 5405788), (8, 2702894), (16, 1351447), (43, 502864), (53, 407984), (86, 251432), (106, 203992), (172, 125716), (212, 101996), (344, 62858), (424, 50998), (593, 36464), (688, 31429), (848, 25499), (1186, 18232), (2279, 9488), (2372, 9116), (4558, 4744)]