21342584

素因数分解:

$2^3\times {\mathrm{523}}^1\times {\mathrm{5101}}^1$

素因数の和:5630

約数の個数: 16

約数和(自身を含む): 40101720

約数和(自身を除く): 18759136

約数列:

[1, 2, 4, 8, 523, 1046, 2092, 4184, 5101, 10202, 20404, 40808, 2667823, 5335646, 10671292, 21342584]

約数ペア:

[(1, 21342584), (2, 10671292), (4, 5335646), (8, 2667823), (523, 40808), (1046, 20404), (2092, 10202), (4184, 5101)]