21980798

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{50647}}^1$

素因数の和:50687

約数の個数: 16

約数和(自身を含む): 38897664

約数和(自身を除く): 16916866

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 50647, 101294, 354529, 709058, 1570057, 3140114, 10990399, 21980798]

約数ペア:

[(1, 21980798), (2, 10990399), (7, 3140114), (14, 1570057), (31, 709058), (62, 354529), (217, 101294), (434, 50647)]