21608328

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128621}}^1$

素因数の和:128637

約数の個数: 32

約数和(自身を含む): 61738560

約数和(自身を除く): 40130232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128621, 257242, 385863, 514484, 771726, 900347, 1028968, 1543452, 1800694, 2701041, 3086904, 3601388, 5402082, 7202776, 10804164, 21608328]

約数ペア:

[(1, 21608328), (2, 10804164), (3, 7202776), (4, 5402082), (6, 3601388), (7, 3086904), (8, 2701041), (12, 1800694), (14, 1543452), (21, 1028968), (24, 900347), (28, 771726), (42, 514484), (56, 385863), (84, 257242), (168, 128621)]