21045296

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14779}}^1$

素因数の和:14876

約数の個数: 20

約数和(自身を含む): 41236200

約数和(自身を除く): 20190904

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14779, 29558, 59116, 118232, 236464, 1315331, 2630662, 5261324, 10522648, 21045296]

約数ペア:

[(1, 21045296), (2, 10522648), (4, 5261324), (8, 2630662), (16, 1315331), (89, 236464), (178, 118232), (356, 59116), (712, 29558), (1424, 14779)]