21508214

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2003}}^1$

素因数の和:2084

約数の個数: 32

約数和(自身を含む): 40400640

約数和(自身を除く): 18892426

約数列:

[1, 2, 7, 13, 14, 26, 59, 91, 118, 182, 413, 767, 826, 1534, 2003, 4006, 5369, 10738, 14021, 26039, 28042, 52078, 118177, 182273, 236354, 364546, 827239, 1536301, 1654478, 3072602, 10754107, 21508214]

約数ペア:

[(1, 21508214), (2, 10754107), (7, 3072602), (13, 1654478), (14, 1536301), (26, 827239), (59, 364546), (91, 236354), (118, 182273), (182, 118177), (413, 52078), (767, 28042), (826, 26039), (1534, 14021), (2003, 10738), (4006, 5369)]