21368838

素因数分解:

$2^1\times 3^1\times {\mathrm{509}}^1\times {\mathrm{6997}}^1$

素因数の和:7511

約数の個数: 16

約数和(自身を含む): 42827760

約数和(自身を除く): 21458922

約数列:

[1, 2, 3, 6, 509, 1018, 1527, 3054, 6997, 13994, 20991, 41982, 3561473, 7122946, 10684419, 21368838]

約数ペア:

[(1, 21368838), (2, 10684419), (3, 7122946), (6, 3561473), (509, 41982), (1018, 20991), (1527, 13994), (3054, 6997)]