21363860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{152599}}^1$

素因数の和:152615

約数の個数: 24

約数和(自身を含む): 51273600

約数和(自身を除く): 29909740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 152599, 305198, 610396, 762995, 1068193, 1525990, 2136386, 3051980, 4272772, 5340965, 10681930, 21363860]

約数ペア:

[(1, 21363860), (2, 10681930), (4, 5340965), (5, 4272772), (7, 3051980), (10, 2136386), (14, 1525990), (20, 1068193), (28, 762995), (35, 610396), (70, 305198), (140, 152599)]