21108428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{593}}^1\times {\mathrm{809}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 40415760

約数和(自身を除く): 19307332

約数列:

[1, 2, 4, 11, 22, 44, 593, 809, 1186, 1618, 2372, 3236, 6523, 8899, 13046, 17798, 26092, 35596, 479737, 959474, 1918948, 5277107, 10554214, 21108428]

約数ペア:

[(1, 21108428), (2, 10554214), (4, 5277107), (11, 1918948), (22, 959474), (44, 479737), (593, 35596), (809, 26092), (1186, 17798), (1618, 13046), (2372, 8899), (3236, 6523)]