21570738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{27031}}^1$

素因数の和:27062

約数の個数: 32

約数和(自身を含む): 51901440

約数和(自身を除く): 30330702

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 27031, 54062, 81093, 162186, 189217, 378434, 513589, 567651, 1027178, 1135302, 1540767, 3081534, 3595123, 7190246, 10785369, 21570738]

約数ペア:

[(1, 21570738), (2, 10785369), (3, 7190246), (6, 3595123), (7, 3081534), (14, 1540767), (19, 1135302), (21, 1027178), (38, 567651), (42, 513589), (57, 378434), (114, 189217), (133, 162186), (266, 81093), (399, 54062), (798, 27031)]