21145334

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22543}}^1$

素因数の和:22619

約数の個数: 16

約数和(自身を含む): 36791808

約数和(自身を除く): 15646474

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 22543, 45086, 157801, 315602, 1510381, 3020762, 10572667, 21145334]

約数ペア:

[(1, 21145334), (2, 10572667), (7, 3020762), (14, 1510381), (67, 315602), (134, 157801), (469, 45086), (938, 22543)]