21184930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1523}}^1$

素因数の和:1650

約数の個数: 32

約数和(自身を含む): 41477184

約数和(自身を除く): 20292254

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 1523, 2782, 3046, 6955, 7615, 13910, 15230, 19799, 39598, 98995, 162961, 197990, 325922, 814805, 1629610, 2118493, 4236986, 10592465, 21184930]

約数ペア:

[(1, 21184930), (2, 10592465), (5, 4236986), (10, 2118493), (13, 1629610), (26, 814805), (65, 325922), (107, 197990), (130, 162961), (214, 98995), (535, 39598), (1070, 19799), (1391, 15230), (1523, 13910), (2782, 7615), (3046, 6955)]