21643728

素因数分解:

$2^4\times 3^1\times {\mathrm{241}}^1\times {\mathrm{1871}}^1$

素因数の和:2123

約数の個数: 40

約数和(自身を含む): 56174976

約数和(自身を除く): 34531248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 241, 482, 723, 964, 1446, 1871, 1928, 2892, 3742, 3856, 5613, 5784, 7484, 11226, 11568, 14968, 22452, 29936, 44904, 89808, 450911, 901822, 1352733, 1803644, 2705466, 3607288, 5410932, 7214576, 10821864, 21643728]

約数ペア:

[(1, 21643728), (2, 10821864), (3, 7214576), (4, 5410932), (6, 3607288), (8, 2705466), (12, 1803644), (16, 1352733), (24, 901822), (48, 450911), (241, 89808), (482, 44904), (723, 29936), (964, 22452), (1446, 14968), (1871, 11568), (1928, 11226), (2892, 7484), (3742, 5784), (3856, 5613)]