21045874

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{11159}}^1$

素因数の和:11225

約数の個数: 16

約数和(自身を含む): 33747840

約数和(自身を除く): 12701966

約数列:

[1, 2, 23, 41, 46, 82, 943, 1886, 11159, 22318, 256657, 457519, 513314, 915038, 10522937, 21045874]

約数ペア:

[(1, 21045874), (2, 10522937), (23, 915038), (41, 513314), (46, 457519), (82, 256657), (943, 22318), (1886, 11159)]