21093055965

素因数分解:

$3^3\times 5^1\times {\mathrm{156244859}}^1$

素因数の和:156244873

約数の個数: 16

約数和(自身を含む): 37498766400

約数和(自身を除く): 16405710435

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 156244859, 468734577, 781224295, 1406203731, 2343672885, 4218611193, 7031018655, 21093055965]

約数ペア:

[(1, 21093055965), (3, 7031018655), (5, 4218611193), (9, 2343672885), (15, 1406203731), (27, 781224295), (45, 468734577), (135, 156244859)]