21245814

素因数分解:

$2^1\times 3^4\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:746

約数の個数: 40

約数和(自身を含む): 47872440

約数和(自身を除く): 26626626

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 313, 419, 626, 838, 939, 1257, 1878, 2514, 2817, 3771, 5634, 7542, 8451, 11313, 16902, 22626, 25353, 33939, 50706, 67878, 131147, 262294, 393441, 786882, 1180323, 2360646, 3540969, 7081938, 10622907, 21245814]

約数ペア:

[(1, 21245814), (2, 10622907), (3, 7081938), (6, 3540969), (9, 2360646), (18, 1180323), (27, 786882), (54, 393441), (81, 262294), (162, 131147), (313, 67878), (419, 50706), (626, 33939), (838, 25353), (939, 22626), (1257, 16902), (1878, 11313), (2514, 8451), (2817, 7542), (3771, 5634)]