21074494

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11491}}^1$

素因数の和:11631

約数の個数: 16

約数和(自身を含む): 36406656

約数和(自身を除く): 15332162

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11491, 22982, 80437, 160874, 1505321, 3010642, 10537247, 21074494]

約数ペア:

[(1, 21074494), (2, 10537247), (7, 3010642), (14, 1505321), (131, 160874), (262, 80437), (917, 22982), (1834, 11491)]