21308226

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1811}}^1$

素因数の和:1906

約数の個数: 32

約数和(自身を含む): 44618688

約数和(自身を除く): 23310462

約数列:

[1, 2, 3, 6, 37, 53, 74, 106, 111, 159, 222, 318, 1811, 1961, 3622, 3922, 5433, 5883, 10866, 11766, 67007, 95983, 134014, 191966, 201021, 287949, 402042, 575898, 3551371, 7102742, 10654113, 21308226]

約数ペア:

[(1, 21308226), (2, 10654113), (3, 7102742), (6, 3551371), (37, 575898), (53, 402042), (74, 287949), (106, 201021), (111, 191966), (159, 134014), (222, 95983), (318, 67007), (1811, 11766), (1961, 10866), (3622, 5883), (3922, 5433)]