21073220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{150523}}^1$

素因数の和:150539

約数の個数: 24

約数和(自身を含む): 50576064

約数和(自身を除く): 29502844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 150523, 301046, 602092, 752615, 1053661, 1505230, 2107322, 3010460, 4214644, 5268305, 10536610, 21073220]

約数ペア:

[(1, 21073220), (2, 10536610), (4, 5268305), (5, 4214644), (7, 3010460), (10, 2107322), (14, 1505230), (20, 1053661), (28, 752615), (35, 602092), (70, 301046), (140, 150523)]