21571893

素因数分解:

$3^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{367}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 36741120

約数和(自身を除く): 15169227

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 311, 367, 933, 1101, 2177, 2569, 2799, 3303, 6531, 7707, 8397, 9909, 19593, 23121, 58779, 69363, 114137, 342411, 798959, 1027233, 2396877, 3081699, 7190631, 21571893]

約数ペア:

[(1, 21571893), (3, 7190631), (7, 3081699), (9, 2396877), (21, 1027233), (27, 798959), (63, 342411), (189, 114137), (311, 69363), (367, 58779), (933, 23121), (1101, 19593), (2177, 9909), (2569, 8397), (2799, 7707), (3303, 6531)]