21126560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1451}}^1$

素因数の和:1486

約数の個数: 96

約数和(自身を含む): 61471872

約数和(自身を除く): 40345312

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1451, 1456, 1820, 2080, 2902, 2912, 3640, 5804, 7255, 7280, 10157, 11608, 14510, 14560, 18863, 20314, 23216, 29020, 37726, 40628, 46432, 50785, 58040, 75452, 81256, 94315, 101570, 116080, 132041, 150904, 162512, 188630, 203140, 232160, 264082, 301808, 325024, 377260, 406280, 528164, 603616, 660205, 754520, 812560, 1056328, 1320410, 1509040, 1625120, 2112656, 2640820, 3018080, 4225312, 5281640, 10563280, 21126560]

約数ペア:

[(1, 21126560), (2, 10563280), (4, 5281640), (5, 4225312), (7, 3018080), (8, 2640820), (10, 2112656), (13, 1625120), (14, 1509040), (16, 1320410), (20, 1056328), (26, 812560), (28, 754520), (32, 660205), (35, 603616), (40, 528164), (52, 406280), (56, 377260), (65, 325024), (70, 301808), (80, 264082), (91, 232160), (104, 203140), (112, 188630), (130, 162512), (140, 150904), (160, 132041), (182, 116080), (208, 101570), (224, 94315), (260, 81256), (280, 75452), (364, 58040), (416, 50785), (455, 46432), (520, 40628), (560, 37726), (728, 29020), (910, 23216), (1040, 20314), (1120, 18863), (1451, 14560), (1456, 14510), (1820, 11608), (2080, 10157), (2902, 7280), (2912, 7255), (3640, 5804)]