21372288

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7951}}^1$

素因数の和:7975

約数の個数: 64

約数和(自身を含む): 64888320

約数和(自身を除く): 43516032

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, 7951, 15902, 23853, 31804, 47706, 55657, 63608, 95412, 111314, 127216, 166971, 190824, 222628, 254432, 333942, 381648, 445256, 508864, 667884, 763296, 890512, 1017728, 1335768, 1526592, 1781024, 2671536, 3053184, 3562048, 5343072, 7124096, 10686144, 21372288]

約数ペア:

[(1, 21372288), (2, 10686144), (3, 7124096), (4, 5343072), (6, 3562048), (7, 3053184), (8, 2671536), (12, 1781024), (14, 1526592), (16, 1335768), (21, 1017728), (24, 890512), (28, 763296), (32, 667884), (42, 508864), (48, 445256), (56, 381648), (64, 333942), (84, 254432), (96, 222628), (112, 190824), (128, 166971), (168, 127216), (192, 111314), (224, 95412), (336, 63608), (384, 55657), (448, 47706), (672, 31804), (896, 23853), (1344, 15902), (2688, 7951)]