21090048

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{3923}}^1$

素因数の和:3949

約数の個数: 72

約数和(自身を含む): 64165248

約数和(自身を除く): 43075200

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 3923, 5376, 7846, 11769, 15692, 23538, 27461, 31384, 47076, 54922, 62768, 82383, 94152, 109844, 125536, 164766, 188304, 219688, 251072, 329532, 376608, 439376, 502144, 659064, 753216, 878752, 1004288, 1318128, 1506432, 1757504, 2636256, 3012864, 3515008, 5272512, 7030016, 10545024, 21090048]

約数ペア:

[(1, 21090048), (2, 10545024), (3, 7030016), (4, 5272512), (6, 3515008), (7, 3012864), (8, 2636256), (12, 1757504), (14, 1506432), (16, 1318128), (21, 1004288), (24, 878752), (28, 753216), (32, 659064), (42, 502144), (48, 439376), (56, 376608), (64, 329532), (84, 251072), (96, 219688), (112, 188304), (128, 164766), (168, 125536), (192, 109844), (224, 94152), (256, 82383), (336, 62768), (384, 54922), (448, 47076), (672, 31384), (768, 27461), (896, 23538), (1344, 15692), (1792, 11769), (2688, 7846), (3923, 5376)]