2100069008

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{1661447}}^1$

素因数の和:1661534

約数の個数: 20

約数和(自身を含む): 4120391040

約数和(自身を除く): 2020322032

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 1661447, 3322894, 6645788, 13291576, 26583152, 131254313, 262508626, 525017252, 1050034504, 2100069008]

約数ペア:

[(1, 2100069008), (2, 1050034504), (4, 525017252), (8, 262508626), (16, 131254313), (79, 26583152), (158, 13291576), (316, 6645788), (632, 3322894), (1264, 1661447)]