21813045

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{76537}}^1$

素因数の和:76564

約数の個数: 16

約数和(自身を含む): 36738240

約数和(自身を除く): 14925195

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 76537, 229611, 382685, 1148055, 1454203, 4362609, 7271015, 21813045]

約数ペア:

[(1, 21813045), (3, 7271015), (5, 4362609), (15, 1454203), (19, 1148055), (57, 382685), (95, 229611), (285, 76537)]