21403088

素因数分解:

$2^4\times 7^1\times {\mathrm{191099}}^1$

素因数の和:191114

約数の個数: 20

約数和(自身を含む): 47392800

約数和(自身を除く): 25989712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191099, 382198, 764396, 1337693, 1528792, 2675386, 3057584, 5350772, 10701544, 21403088]

約数ペア:

[(1, 21403088), (2, 10701544), (4, 5350772), (7, 3057584), (8, 2675386), (14, 1528792), (16, 1337693), (28, 764396), (56, 382198), (112, 191099)]