21379832

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86209}}^1$

素因数の和:86246

約数の個数: 16

約数和(自身を含む): 41380800

約数和(自身を除く): 20000968

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86209, 172418, 344836, 689672, 2672479, 5344958, 10689916, 21379832]

約数ペア:

[(1, 21379832), (2, 10689916), (4, 5344958), (8, 2672479), (31, 689672), (62, 344836), (124, 172418), (248, 86209)]