21189532

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2578

約数の個数: 48

約数和(自身を含む): 47642112

約数和(自身を除く): 26452580

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 2531, 4186, 5062, 8372, 10124, 17717, 32903, 35434, 58213, 65806, 70868, 116426, 131612, 230321, 232852, 407491, 460642, 756769, 814982, 921284, 1513538, 1629964, 3027076, 5297383, 10594766, 21189532]

約数ペア:

[(1, 21189532), (2, 10594766), (4, 5297383), (7, 3027076), (13, 1629964), (14, 1513538), (23, 921284), (26, 814982), (28, 756769), (46, 460642), (52, 407491), (91, 232852), (92, 230321), (161, 131612), (182, 116426), (299, 70868), (322, 65806), (364, 58213), (598, 35434), (644, 32903), (1196, 17717), (2093, 10124), (2531, 8372), (4186, 5062)]