21729888

素因数分解:

$2^5\times 3^2\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:596

約数の個数: 72

約数和(自身を含む): 62270208

約数和(自身を除く): 40540320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 197, 288, 383, 394, 591, 766, 788, 1149, 1182, 1532, 1576, 1773, 2298, 2364, 3064, 3152, 3447, 3546, 4596, 4728, 6128, 6304, 6894, 7092, 9192, 9456, 12256, 13788, 14184, 18384, 18912, 27576, 28368, 36768, 55152, 56736, 75451, 110304, 150902, 226353, 301804, 452706, 603608, 679059, 905412, 1207216, 1358118, 1810824, 2414432, 2716236, 3621648, 5432472, 7243296, 10864944, 21729888]

約数ペア:

[(1, 21729888), (2, 10864944), (3, 7243296), (4, 5432472), (6, 3621648), (8, 2716236), (9, 2414432), (12, 1810824), (16, 1358118), (18, 1207216), (24, 905412), (32, 679059), (36, 603608), (48, 452706), (72, 301804), (96, 226353), (144, 150902), (197, 110304), (288, 75451), (383, 56736), (394, 55152), (591, 36768), (766, 28368), (788, 27576), (1149, 18912), (1182, 18384), (1532, 14184), (1576, 13788), (1773, 12256), (2298, 9456), (2364, 9192), (3064, 7092), (3152, 6894), (3447, 6304), (3546, 6128), (4596, 4728)]