21066963

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{523}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 29176320

約数和(自身を除く): 8109357

約数列:

[1, 3, 29, 87, 463, 523, 1389, 1569, 13427, 15167, 40281, 45501, 242149, 726447, 7022321, 21066963]

約数ペア:

[(1, 21066963), (3, 7022321), (29, 726447), (87, 242149), (463, 45501), (523, 40281), (1389, 15167), (1569, 13427)]