21009466

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{1481}}^1$

素因数の和:1697

約数の個数: 16

約数和(自身を含む): 32491368

約数和(自身を除く): 11481902

約数列:

[1, 2, 41, 82, 173, 346, 1481, 2962, 7093, 14186, 60721, 121442, 256213, 512426, 10504733, 21009466]

約数ペア:

[(1, 21009466), (2, 10504733), (41, 512426), (82, 256213), (173, 121442), (346, 60721), (1481, 14186), (2962, 7093)]