21048008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84871}}^1$

素因数の和:84908

約数の個数: 16

約数和(自身を含む): 40738560

約数和(自身を除く): 19690552

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84871, 169742, 339484, 678968, 2631001, 5262002, 10524004, 21048008]

約数ペア:

[(1, 21048008), (2, 10524004), (4, 5262002), (8, 2631001), (31, 678968), (62, 339484), (124, 169742), (248, 84871)]