21498568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29531}}^1$

素因数の和:29557

約数の個数: 32

約数和(自身を含む): 49613760

約数和(自身を除く): 28115192

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29531, 59062, 118124, 206717, 236248, 383903, 413434, 767806, 826868, 1535612, 1653736, 2687321, 3071224, 5374642, 10749284, 21498568]

約数ペア:

[(1, 21498568), (2, 10749284), (4, 5374642), (7, 3071224), (8, 2687321), (13, 1653736), (14, 1535612), (26, 826868), (28, 767806), (52, 413434), (56, 383903), (91, 236248), (104, 206717), (182, 118124), (364, 59062), (728, 29531)]