21068034

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8713}}^1$

素因数の和:8762

約数の個数: 32

約数和(自身を含む): 46846464

約数和(自身を除く): 25778430

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8713, 17426, 26139, 52278, 113269, 226538, 270103, 339807, 540206, 679614, 810309, 1620618, 3511339, 7022678, 10534017, 21068034]

約数ペア:

[(1, 21068034), (2, 10534017), (3, 7022678), (6, 3511339), (13, 1620618), (26, 810309), (31, 679614), (39, 540206), (62, 339807), (78, 270103), (93, 226538), (186, 113269), (403, 52278), (806, 26139), (1209, 17426), (2418, 8713)]