21260176

素因数分解:

$2^4\times 7^1\times {\mathrm{189823}}^1$

素因数の和:189838

約数の個数: 20

約数和(自身を含む): 47076352

約数和(自身を除く): 25816176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189823, 379646, 759292, 1328761, 1518584, 2657522, 3037168, 5315044, 10630088, 21260176]

約数ペア:

[(1, 21260176), (2, 10630088), (4, 5315044), (7, 3037168), (8, 2657522), (14, 1518584), (16, 1328761), (28, 759292), (56, 379646), (112, 189823)]