21275472

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8363}}^1$

素因数の和:8427

約数の個数: 40

約数和(自身を含む): 56005344

約数和(自身を除く): 34729872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8363, 16726, 25089, 33452, 50178, 66904, 100356, 133808, 200712, 401424, 443239, 886478, 1329717, 1772956, 2659434, 3545912, 5318868, 7091824, 10637736, 21275472]

約数ペア:

[(1, 21275472), (2, 10637736), (3, 7091824), (4, 5318868), (6, 3545912), (8, 2659434), (12, 1772956), (16, 1329717), (24, 886478), (48, 443239), (53, 401424), (106, 200712), (159, 133808), (212, 100356), (318, 66904), (424, 50178), (636, 33452), (848, 25089), (1272, 16726), (2544, 8363)]