21923020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{156593}}^1$

素因数の和:156609

約数の個数: 24

約数和(自身を含む): 52615584

約数和(自身を除く): 30692564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 156593, 313186, 626372, 782965, 1096151, 1565930, 2192302, 3131860, 4384604, 5480755, 10961510, 21923020]

約数ペア:

[(1, 21923020), (2, 10961510), (4, 5480755), (5, 4384604), (7, 3131860), (10, 2192302), (14, 1565930), (20, 1096151), (28, 782965), (35, 626372), (70, 313186), (140, 156593)]