21180438

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{14177}}^1$

素因数の和:14268

約数の個数: 24

約数和(自身を含む): 46447128

約数和(自身を除く): 25266690

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 14177, 28354, 42531, 85062, 127593, 255186, 1176691, 2353382, 3530073, 7060146, 10590219, 21180438]

約数ペア:

[(1, 21180438), (2, 10590219), (3, 7060146), (6, 3530073), (9, 2353382), (18, 1176691), (83, 255186), (166, 127593), (249, 85062), (498, 42531), (747, 28354), (1494, 14177)]