21420866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{24509}}^1$

素因数の和:24553

約数の個数: 16

約数和(自身を含む): 35294400

約数和(自身を除く): 13873534

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 24509, 49018, 465671, 563707, 931342, 1127414, 10710433, 21420866]

約数ペア:

[(1, 21420866), (2, 10710433), (19, 1127414), (23, 931342), (38, 563707), (46, 465671), (437, 49018), (874, 24509)]