21656572

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45497}}^1$

素因数の和:45525

約数の個数: 24

約数和(自身を含む): 45861984

約数和(自身を除く): 24205412

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45497, 90994, 181988, 318479, 636958, 773449, 1273916, 1546898, 3093796, 5414143, 10828286, 21656572]

約数ペア:

[(1, 21656572), (2, 10828286), (4, 5414143), (7, 3093796), (14, 1546898), (17, 1273916), (28, 773449), (34, 636958), (68, 318479), (119, 181988), (238, 90994), (476, 45497)]