21504168

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42667}}^1$

素因数の和:42686

約数の個数: 48

約数和(自身を含む): 66562080

約数和(自身を除く): 45057912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42667, 85334, 128001, 170668, 256002, 298669, 341336, 384003, 512004, 597338, 768006, 896007, 1024008, 1194676, 1536012, 1792014, 2389352, 2688021, 3072024, 3584028, 5376042, 7168056, 10752084, 21504168]

約数ペア:

[(1, 21504168), (2, 10752084), (3, 7168056), (4, 5376042), (6, 3584028), (7, 3072024), (8, 2688021), (9, 2389352), (12, 1792014), (14, 1536012), (18, 1194676), (21, 1024008), (24, 896007), (28, 768006), (36, 597338), (42, 512004), (56, 384003), (63, 341336), (72, 298669), (84, 256002), (126, 170668), (168, 128001), (252, 85334), (504, 42667)]