21303674

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^2$

素因数の和:594

約数の個数: 24

約数和(自身を含む): 38579040

約数和(自身を除く): 17275366

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 283, 566, 1981, 3962, 5377, 10754, 37639, 75278, 80089, 160178, 560623, 1121246, 1521691, 3043382, 10651837, 21303674]

約数ペア:

[(1, 21303674), (2, 10651837), (7, 3043382), (14, 1521691), (19, 1121246), (38, 560623), (133, 160178), (266, 80089), (283, 75278), (566, 37639), (1981, 10754), (3962, 5377)]