21130189664

素因数分解:

$2^5\times {\mathrm{193}}^1\times {\mathrm{383}}^1\times {\mathrm{8933}}^1$

素因数の和:9519

約数の個数: 48

約数和(自身を含む): 41929477632

約数和(自身を除く): 20799287968

約数列:

[1, 2, 4, 8, 16, 32, 193, 383, 386, 766, 772, 1532, 1544, 3064, 3088, 6128, 6176, 8933, 12256, 17866, 35732, 71464, 73919, 142928, 147838, 285856, 295676, 591352, 1182704, 1724069, 2365408, 3421339, 3448138, 6842678, 6896276, 13685356, 13792552, 27370712, 27585104, 54741424, 55170208, 109482848, 660318427, 1320636854, 2641273708, 5282547416, 10565094832, 21130189664]

約数ペア:

[(1, 21130189664), (2, 10565094832), (4, 5282547416), (8, 2641273708), (16, 1320636854), (32, 660318427), (193, 109482848), (383, 55170208), (386, 54741424), (766, 27585104), (772, 27370712), (1532, 13792552), (1544, 13685356), (3064, 6896276), (3088, 6842678), (6128, 3448138), (6176, 3421339), (8933, 2365408), (12256, 1724069), (17866, 1182704), (35732, 591352), (71464, 295676), (73919, 285856), (142928, 147838)]