21629144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{142297}}^1$

素因数の和:142322

約数の個数: 16

約数和(自身を含む): 42689400

約数和(自身を除く): 21060256

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 142297, 284594, 569188, 1138376, 2703643, 5407286, 10814572, 21629144]

約数ペア:

[(1, 21629144), (2, 10814572), (4, 5407286), (8, 2703643), (19, 1138376), (38, 569188), (76, 284594), (152, 142297)]