21189504

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7883}}^1$

素因数の和:7907

約数の個数: 64

約数和(自身を含む): 64333440

約数和(自身を除く): 43143936

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, 336, 384, 448, 672, 896, 1344, 2688, 7883, 15766, 23649, 31532, 47298, 55181, 63064, 94596, 110362, 126128, 165543, 189192, 220724, 252256, 331086, 378384, 441448, 504512, 662172, 756768, 882896, 1009024, 1324344, 1513536, 1765792, 2648688, 3027072, 3531584, 5297376, 7063168, 10594752, 21189504]

約数ペア:

[(1, 21189504), (2, 10594752), (3, 7063168), (4, 5297376), (6, 3531584), (7, 3027072), (8, 2648688), (12, 1765792), (14, 1513536), (16, 1324344), (21, 1009024), (24, 882896), (28, 756768), (32, 662172), (42, 504512), (48, 441448), (56, 378384), (64, 331086), (84, 252256), (96, 220724), (112, 189192), (128, 165543), (168, 126128), (192, 110362), (224, 94596), (336, 63064), (384, 55181), (448, 47298), (672, 31532), (896, 23649), (1344, 15766), (2688, 7883)]