21384251013

素因数分解:

$3^1\times {\mathrm{433}}^1\times {\mathrm{3301}}^1\times {\mathrm{4987}}^1$

素因数の和:8724

約数の個数: 16

約数和(自身を含む): 28592572736

約数和(自身を除く): 7208321723

約数列:

[1, 3, 433, 1299, 3301, 4987, 9903, 14961, 1429333, 2159371, 4287999, 6478113, 16462087, 49386261, 7128083671, 21384251013]

約数ペア:

[(1, 21384251013), (3, 7128083671), (433, 49386261), (1299, 16462087), (3301, 6478113), (4987, 4287999), (9903, 2159371), (14961, 1429333)]