2169020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15493}}^1$

素因数の和:15509

約数の個数: 24

約数和(自身を含む): 5205984

約数和(自身を除く): 3036964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15493, 30986, 61972, 77465, 108451, 154930, 216902, 309860, 433804, 542255, 1084510, 2169020]

約数ペア:

[(1, 2169020), (2, 1084510), (4, 542255), (5, 433804), (7, 309860), (10, 216902), (14, 154930), (20, 108451), (28, 77465), (35, 61972), (70, 30986), (140, 15493)]