21763204

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{76631}}^1$

素因数の和:76706

約数の個数: 12

約数和(自身を含む): 38622528

約数和(自身を除く): 16859324

約数列:

[1, 2, 4, 71, 142, 284, 76631, 153262, 306524, 5440801, 10881602, 21763204]

約数ペア:

[(1, 21763204), (2, 10881602), (4, 5440801), (71, 306524), (142, 153262), (284, 76631)]