21085498

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11497}}^1$

素因数の和:11637

約数の個数: 16

約数和(自身を含む): 36425664

約数和(自身を除く): 15340166

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11497, 22994, 80479, 160958, 1506107, 3012214, 10542749, 21085498]

約数ペア:

[(1, 21085498), (2, 10542749), (7, 3012214), (14, 1506107), (131, 160958), (262, 80479), (917, 22994), (1834, 11497)]