21987072

素因数分解:

$2^8\times 3^3\times {\mathrm{3181}}^1$

素因数の和:3206

約数の個数: 72

約数和(自身を含む): 65040080

約数和(自身を除く): 43053008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 576, 768, 864, 1152, 1728, 2304, 3181, 3456, 6362, 6912, 9543, 12724, 19086, 25448, 28629, 38172, 50896, 57258, 76344, 85887, 101792, 114516, 152688, 171774, 203584, 229032, 305376, 343548, 407168, 458064, 610752, 687096, 814336, 916128, 1221504, 1374192, 1832256, 2443008, 2748384, 3664512, 5496768, 7329024, 10993536, 21987072]

約数ペア:

[(1, 21987072), (2, 10993536), (3, 7329024), (4, 5496768), (6, 3664512), (8, 2748384), (9, 2443008), (12, 1832256), (16, 1374192), (18, 1221504), (24, 916128), (27, 814336), (32, 687096), (36, 610752), (48, 458064), (54, 407168), (64, 343548), (72, 305376), (96, 229032), (108, 203584), (128, 171774), (144, 152688), (192, 114516), (216, 101792), (256, 85887), (288, 76344), (384, 57258), (432, 50896), (576, 38172), (768, 28629), (864, 25448), (1152, 19086), (1728, 12724), (2304, 9543), (3181, 6912), (3456, 6362)]