21898409176

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{188273}}^1$

素因数の和:188384

約数の個数: 64

約数和(自身を含む): 49162106880

約数和(自身を除く): 27263697704

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 67, 124, 134, 217, 248, 268, 434, 469, 536, 868, 938, 1736, 1876, 2077, 3752, 4154, 8308, 14539, 16616, 29078, 58156, 116312, 188273, 376546, 753092, 1317911, 1506184, 2635822, 5271644, 5836463, 10543288, 11672926, 12614291, 23345852, 25228582, 40855241, 46691704, 50457164, 81710482, 88300037, 100914328, 163420964, 176600074, 326841928, 353200148, 391043021, 706400296, 782086042, 1564172084, 2737301147, 3128344168, 5474602294, 10949204588, 21898409176]

約数ペア:

[(1, 21898409176), (2, 10949204588), (4, 5474602294), (7, 3128344168), (8, 2737301147), (14, 1564172084), (28, 782086042), (31, 706400296), (56, 391043021), (62, 353200148), (67, 326841928), (124, 176600074), (134, 163420964), (217, 100914328), (248, 88300037), (268, 81710482), (434, 50457164), (469, 46691704), (536, 40855241), (868, 25228582), (938, 23345852), (1736, 12614291), (1876, 11672926), (2077, 10543288), (3752, 5836463), (4154, 5271644), (8308, 2635822), (14539, 1506184), (16616, 1317911), (29078, 753092), (58156, 376546), (116312, 188273)]