21059360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18803}}^1$

素因数の和:18825

約数の個数: 48

約数和(自身を含む): 56863296

約数和(自身を除く): 35803936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18803, 37606, 75212, 94015, 131621, 150424, 188030, 263242, 300848, 376060, 526484, 601696, 658105, 752120, 1052968, 1316210, 1504240, 2105936, 2632420, 3008480, 4211872, 5264840, 10529680, 21059360]

約数ペア:

[(1, 21059360), (2, 10529680), (4, 5264840), (5, 4211872), (7, 3008480), (8, 2632420), (10, 2105936), (14, 1504240), (16, 1316210), (20, 1052968), (28, 752120), (32, 658105), (35, 601696), (40, 526484), (56, 376060), (70, 300848), (80, 263242), (112, 188030), (140, 150424), (160, 131621), (224, 94015), (280, 75212), (560, 37606), (1120, 18803)]