21000837783

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1\times {\mathrm{9157}}^1$

素因数の和:9603

約数の個数: 32

約数和(自身を含む): 29933032896

約数和(自身を除く): 8932195113

約数列:

[1, 3, 17, 51, 193, 233, 579, 699, 3281, 3961, 9157, 9843, 11883, 27471, 44969, 134907, 155669, 467007, 764473, 1767301, 2133581, 2293419, 5301903, 6400743, 30044117, 36270877, 90132351, 108812631, 411781133, 1235343399, 7000279261, 21000837783]

約数ペア:

[(1, 21000837783), (3, 7000279261), (17, 1235343399), (51, 411781133), (193, 108812631), (233, 90132351), (579, 36270877), (699, 30044117), (3281, 6400743), (3961, 5301903), (9157, 2293419), (9843, 2133581), (11883, 1767301), (27471, 764473), (44969, 467007), (134907, 155669)]