12839421

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4597}}^1$

素因数の和:4633

約数の個数: 24

約数和(自身を含む): 20966880

約数和(自身を除く): 8127459

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4597, 13791, 32179, 87343, 96537, 225253, 262029, 611401, 675759, 1834203, 4279807, 12839421]

約数ペア:

[(1, 12839421), (3, 4279807), (7, 1834203), (19, 675759), (21, 611401), (49, 262029), (57, 225253), (133, 96537), (147, 87343), (399, 32179), (931, 13791), (2793, 4597)]