21131160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{601}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 63715680

約数和(自身を除く): 42584520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 293, 586, 601, 879, 1172, 1202, 1465, 1758, 1803, 2344, 2404, 2930, 3005, 3516, 3606, 4395, 4808, 5860, 6010, 7032, 7212, 8790, 9015, 11720, 12020, 14424, 17580, 18030, 24040, 35160, 36060, 72120, 176093, 352186, 528279, 704372, 880465, 1056558, 1408744, 1760930, 2113116, 2641395, 3521860, 4226232, 5282790, 7043720, 10565580, 21131160]

約数ペア:

[(1, 21131160), (2, 10565580), (3, 7043720), (4, 5282790), (5, 4226232), (6, 3521860), (8, 2641395), (10, 2113116), (12, 1760930), (15, 1408744), (20, 1056558), (24, 880465), (30, 704372), (40, 528279), (60, 352186), (120, 176093), (293, 72120), (586, 36060), (601, 35160), (879, 24040), (1172, 18030), (1202, 17580), (1465, 14424), (1758, 12020), (1803, 11720), (2344, 9015), (2404, 8790), (2930, 7212), (3005, 7032), (3516, 6010), (3606, 5860), (4395, 4808)]