21039984

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20873}}^1$

素因数の和:20894

約数の個数: 60

約数和(自身を含む): 67297776

約数和(自身を除く): 46257792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20873, 41746, 62619, 83492, 125238, 146111, 166984, 187857, 250476, 292222, 333968, 375714, 438333, 500952, 584444, 751428, 876666, 1001904, 1168888, 1314999, 1502856, 1753332, 2337776, 2629998, 3005712, 3506664, 5259996, 7013328, 10519992, 21039984]

約数ペア:

[(1, 21039984), (2, 10519992), (3, 7013328), (4, 5259996), (6, 3506664), (7, 3005712), (8, 2629998), (9, 2337776), (12, 1753332), (14, 1502856), (16, 1314999), (18, 1168888), (21, 1001904), (24, 876666), (28, 751428), (36, 584444), (42, 500952), (48, 438333), (56, 375714), (63, 333968), (72, 292222), (84, 250476), (112, 187857), (126, 166984), (144, 146111), (168, 125238), (252, 83492), (336, 62619), (504, 41746), (1008, 20873)]