21855608

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{593}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 43623360

約数和(自身を除く): 21767752

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 271, 542, 593, 1084, 1186, 2168, 2372, 4607, 4744, 9214, 10081, 18428, 20162, 36856, 40324, 80648, 160703, 321406, 642812, 1285624, 2731951, 5463902, 10927804, 21855608]

約数ペア:

[(1, 21855608), (2, 10927804), (4, 5463902), (8, 2731951), (17, 1285624), (34, 642812), (68, 321406), (136, 160703), (271, 80648), (542, 40324), (593, 36856), (1084, 20162), (1186, 18428), (2168, 10081), (2372, 9214), (4607, 4744)]