21939288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3037}}^1$

素因数の和:3096

約数の個数: 64

約数和(自身を含む): 64162560

約数和(自身を除く): 42223272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 3037, 3612, 6074, 7224, 9111, 12148, 18222, 21259, 24296, 36444, 42518, 63777, 72888, 85036, 127554, 130591, 170072, 255108, 261182, 391773, 510216, 522364, 783546, 914137, 1044728, 1567092, 1828274, 2742411, 3134184, 3656548, 5484822, 7313096, 10969644, 21939288]

約数ペア:

[(1, 21939288), (2, 10969644), (3, 7313096), (4, 5484822), (6, 3656548), (7, 3134184), (8, 2742411), (12, 1828274), (14, 1567092), (21, 1044728), (24, 914137), (28, 783546), (42, 522364), (43, 510216), (56, 391773), (84, 261182), (86, 255108), (129, 170072), (168, 130591), (172, 127554), (258, 85036), (301, 72888), (344, 63777), (516, 42518), (602, 36444), (903, 24296), (1032, 21259), (1204, 18222), (1806, 12148), (2408, 9111), (3037, 7224), (3612, 6074)]