21423005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1741}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 27091584

約数和(自身を除く): 5668579

約数列:

[1, 5, 23, 107, 115, 535, 1741, 2461, 8705, 12305, 40043, 186287, 200215, 931435, 4284601, 21423005]

約数ペア:

[(1, 21423005), (5, 4284601), (23, 931435), (107, 200215), (115, 186287), (535, 40043), (1741, 12305), (2461, 8705)]