21018012

素因数分解:

$2^2\times 3^1\times {\mathrm{859}}^1\times {\mathrm{2039}}^1$

素因数の和:2905

約数の個数: 24

約数和(自身を含む): 49123200

約数和(自身を除く): 28105188

約数列:

[1, 2, 3, 4, 6, 12, 859, 1718, 2039, 2577, 3436, 4078, 5154, 6117, 8156, 10308, 12234, 24468, 1751501, 3503002, 5254503, 7006004, 10509006, 21018012]

約数ペア:

[(1, 21018012), (2, 10509006), (3, 7006004), (4, 5254503), (6, 3503002), (12, 1751501), (859, 24468), (1718, 12234), (2039, 10308), (2577, 8156), (3436, 6117), (4078, 5154)]