21238983311

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1449661}}^1$

素因数の和:1449711

約数の個数: 24

約数和(自身を含む): 27763926624

約数和(自身を除く): 6524943313

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 2093, 14651, 1449661, 10147627, 18845593, 33342203, 71033389, 131919151, 233395421, 433448639, 923434057, 1633767947, 3034140473, 21238983311]

約数ペア:

[(1, 21238983311), (7, 3034140473), (13, 1633767947), (23, 923434057), (49, 433448639), (91, 233395421), (161, 131919151), (299, 71033389), (637, 33342203), (1127, 18845593), (2093, 10147627), (14651, 1449661)]