21917994

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{74551}}^1$

素因数の和:74570

約数の個数: 24

約数和(自身を含む): 50993568

約数和(自身を除く): 29075574

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 74551, 149102, 223653, 447306, 521857, 1043714, 1565571, 3131142, 3652999, 7305998, 10958997, 21917994]

約数ペア:

[(1, 21917994), (2, 10958997), (3, 7305998), (6, 3652999), (7, 3131142), (14, 1565571), (21, 1043714), (42, 521857), (49, 447306), (98, 223653), (147, 149102), (294, 74551)]