2021017712

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{168643}}^1$

素因数の和:168765

約数の個数: 40

約数和(自身を含む): 4516960896

約数和(自身を除く): 2495943184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1712, 2996, 5992, 11984, 168643, 337286, 674572, 1180501, 1349144, 2361002, 2698288, 4722004, 9444008, 18044801, 18888016, 36089602, 72179204, 126313607, 144358408, 252627214, 288716816, 505254428, 1010508856, 2021017712]

約数ペア:

[(1, 2021017712), (2, 1010508856), (4, 505254428), (7, 288716816), (8, 252627214), (14, 144358408), (16, 126313607), (28, 72179204), (56, 36089602), (107, 18888016), (112, 18044801), (214, 9444008), (428, 4722004), (749, 2698288), (856, 2361002), (1498, 1349144), (1712, 1180501), (2996, 674572), (5992, 337286), (11984, 168643)]