21198268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58237}}^1$

素因数の和:58261

約数の個数: 24

約数和(自身を含む): 45658592

約数和(自身を除く): 24460324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58237, 116474, 232948, 407659, 757081, 815318, 1514162, 1630636, 3028324, 5299567, 10599134, 21198268]

約数ペア:

[(1, 21198268), (2, 10599134), (4, 5299567), (7, 3028324), (13, 1630636), (14, 1514162), (26, 815318), (28, 757081), (52, 407659), (91, 232948), (182, 116474), (364, 58237)]