21409508712

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{127931}}^1$

素因数の和:128326

約数の個数: 64

約数和(自身を含む): 56494771200

約数和(自身を除く): 35085262488

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 367, 456, 734, 1101, 1468, 2202, 2936, 4404, 6973, 8808, 13946, 20919, 27892, 41838, 55784, 83676, 127931, 167352, 255862, 383793, 511724, 767586, 1023448, 1535172, 2430689, 3070344, 4861378, 7292067, 9722756, 14584134, 19445512, 29168268, 46950677, 58336536, 93901354, 140852031, 187802708, 281704062, 375605416, 563408124, 892062863, 1126816248, 1784125726, 2676188589, 3568251452, 5352377178, 7136502904, 10704754356, 21409508712]

約数ペア:

[(1, 21409508712), (2, 10704754356), (3, 7136502904), (4, 5352377178), (6, 3568251452), (8, 2676188589), (12, 1784125726), (19, 1126816248), (24, 892062863), (38, 563408124), (57, 375605416), (76, 281704062), (114, 187802708), (152, 140852031), (228, 93901354), (367, 58336536), (456, 46950677), (734, 29168268), (1101, 19445512), (1468, 14584134), (2202, 9722756), (2936, 7292067), (4404, 4861378), (6973, 3070344), (8808, 2430689), (13946, 1535172), (20919, 1023448), (27892, 767586), (41838, 511724), (55784, 383793), (83676, 255862), (127931, 167352)]