21743612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 45087840

約数和(自身を除く): 23344228

約数列:

[1, 2, 4, 11, 17, 22, 34, 41, 44, 68, 82, 164, 187, 374, 451, 697, 709, 748, 902, 1394, 1418, 1804, 2788, 2836, 7667, 7799, 12053, 15334, 15598, 24106, 29069, 30668, 31196, 48212, 58138, 116276, 132583, 265166, 319759, 494173, 530332, 639518, 988346, 1279036, 1976692, 5435903, 10871806, 21743612]

約数ペア:

[(1, 21743612), (2, 10871806), (4, 5435903), (11, 1976692), (17, 1279036), (22, 988346), (34, 639518), (41, 530332), (44, 494173), (68, 319759), (82, 265166), (164, 132583), (187, 116276), (374, 58138), (451, 48212), (697, 31196), (709, 30668), (748, 29069), (902, 24106), (1394, 15598), (1418, 15334), (1804, 12053), (2788, 7799), (2836, 7667)]