21420954

素因数分解:

$2^1\times 3^2\times {\mathrm{827}}^1\times {\mathrm{1439}}^1$

素因数の和:2274

約数の個数: 24

約数和(自身を含む): 46500480

約数和(自身を除く): 25079526

約数列:

[1, 2, 3, 6, 9, 18, 827, 1439, 1654, 2481, 2878, 4317, 4962, 7443, 8634, 12951, 14886, 25902, 1190053, 2380106, 3570159, 7140318, 10710477, 21420954]

約数ペア:

[(1, 21420954), (2, 10710477), (3, 7140318), (6, 3570159), (9, 2380106), (18, 1190053), (827, 25902), (1439, 14886), (1654, 12951), (2481, 8634), (2878, 7443), (4317, 4962)]