21288672

素因数分解:

$2^5\times 3^2\times {\mathrm{193}}^1\times {\mathrm{383}}^1$

素因数の和:592

約数の個数: 72

約数和(自身を含む): 61012224

約数和(自身を除く): 39723552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 193, 288, 383, 386, 579, 766, 772, 1149, 1158, 1532, 1544, 1737, 2298, 2316, 3064, 3088, 3447, 3474, 4596, 4632, 6128, 6176, 6894, 6948, 9192, 9264, 12256, 13788, 13896, 18384, 18528, 27576, 27792, 36768, 55152, 55584, 73919, 110304, 147838, 221757, 295676, 443514, 591352, 665271, 887028, 1182704, 1330542, 1774056, 2365408, 2661084, 3548112, 5322168, 7096224, 10644336, 21288672]

約数ペア:

[(1, 21288672), (2, 10644336), (3, 7096224), (4, 5322168), (6, 3548112), (8, 2661084), (9, 2365408), (12, 1774056), (16, 1330542), (18, 1182704), (24, 887028), (32, 665271), (36, 591352), (48, 443514), (72, 295676), (96, 221757), (144, 147838), (193, 110304), (288, 73919), (383, 55584), (386, 55152), (579, 36768), (766, 27792), (772, 27576), (1149, 18528), (1158, 18384), (1532, 13896), (1544, 13788), (1737, 12256), (2298, 9264), (2316, 9192), (3064, 6948), (3088, 6894), (3447, 6176), (3474, 6128), (4596, 4632)]