21763655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4831}}^1$

素因数の和:4906

約数の個数: 16

約数和(自身を含む): 28180224

約数和(自身を除く): 6416569

約数列:

[1, 5, 17, 53, 85, 265, 901, 4505, 4831, 24155, 82127, 256043, 410635, 1280215, 4352731, 21763655]

約数ペア:

[(1, 21763655), (5, 4352731), (17, 1280215), (53, 410635), (85, 256043), (265, 82127), (901, 24155), (4505, 4831)]