2021572203

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{266663}}^1$

素因数の和:266711

約数の個数: 24

約数和(自身を含む): 3251167488

約数和(自身を除く): 1229595285

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 266663, 799989, 1866641, 5066597, 5599923, 15199791, 35466179, 96265343, 106398537, 288796029, 673857401, 2021572203]

約数ペア:

[(1, 2021572203), (3, 673857401), (7, 288796029), (19, 106398537), (21, 96265343), (57, 35466179), (133, 15199791), (361, 5599923), (399, 5066597), (1083, 1866641), (2527, 799989), (7581, 266663)]