21268048

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8803}}^1$

素因数の和:8962

約数の個数: 20

約数和(自身を含む): 41484448

約数和(自身を除く): 20216400

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8803, 17606, 35212, 70424, 140848, 1329253, 2658506, 5317012, 10634024, 21268048]

約数ペア:

[(1, 21268048), (2, 10634024), (4, 5317012), (8, 2658506), (16, 1329253), (151, 140848), (302, 70424), (604, 35212), (1208, 17606), (2416, 8803)]