21625768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{159013}}^1$

素因数の和:159036

約数の個数: 16

約数和(自身を含む): 42933780

約数和(自身を除く): 21308012

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 159013, 318026, 636052, 1272104, 2703221, 5406442, 10812884, 21625768]

約数ペア:

[(1, 21625768), (2, 10812884), (4, 5406442), (8, 2703221), (17, 1272104), (34, 636052), (68, 318026), (136, 159013)]