2021092871

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 2466923520

約数和(自身を除く): 445830649

約数列:

[1, 7, 19, 133, 151, 157, 641, 1057, 1099, 2869, 2983, 4487, 12179, 20083, 20881, 23707, 85253, 96791, 100637, 165949, 450433, 677537, 704459, 1839029, 1912103, 3153031, 12873203, 13384721, 15196187, 106373309, 288727553, 2021092871]

約数ペア:

[(1, 2021092871), (7, 288727553), (19, 106373309), (133, 15196187), (151, 13384721), (157, 12873203), (641, 3153031), (1057, 1912103), (1099, 1839029), (2869, 704459), (2983, 677537), (4487, 450433), (12179, 165949), (20083, 100637), (20881, 96791), (23707, 85253)]