21605724

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28579}}^1$

素因数の和:28599

約数の個数: 48

約数和(自身を含む): 64019200

約数和(自身を除く): 42413476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28579, 57158, 85737, 114316, 171474, 200053, 257211, 342948, 400106, 514422, 600159, 771633, 800212, 1028844, 1200318, 1543266, 1800477, 2400636, 3086532, 3600954, 5401431, 7201908, 10802862, 21605724]

約数ペア:

[(1, 21605724), (2, 10802862), (3, 7201908), (4, 5401431), (6, 3600954), (7, 3086532), (9, 2400636), (12, 1800477), (14, 1543266), (18, 1200318), (21, 1028844), (27, 800212), (28, 771633), (36, 600159), (42, 514422), (54, 400106), (63, 342948), (84, 257211), (108, 200053), (126, 171474), (189, 114316), (252, 85737), (378, 57158), (756, 28579)]