21050883

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2957}}^1$

素因数の和:3083

約数の個数: 24

約数和(自身を含む): 35070048

約数和(自身を除く): 14019165

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 2957, 7119, 8871, 20699, 26613, 62097, 186291, 334141, 1002423, 2338987, 3007269, 7016961, 21050883]

約数ペア:

[(1, 21050883), (3, 7016961), (7, 3007269), (9, 2338987), (21, 1002423), (63, 334141), (113, 186291), (339, 62097), (791, 26613), (1017, 20699), (2373, 8871), (2957, 7119)]