21009438

素因数分解:

$2^1\times 3^2\times {\mathrm{269}}^1\times {\mathrm{4339}}^1$

素因数の和:4616

約数の個数: 24

約数和(自身を含む): 45700200

約数和(自身を除く): 24690762

約数列:

[1, 2, 3, 6, 9, 18, 269, 538, 807, 1614, 2421, 4339, 4842, 8678, 13017, 26034, 39051, 78102, 1167191, 2334382, 3501573, 7003146, 10504719, 21009438]

約数ペア:

[(1, 21009438), (2, 10504719), (3, 7003146), (6, 3501573), (9, 2334382), (18, 1167191), (269, 78102), (538, 39051), (807, 26034), (1614, 13017), (2421, 8678), (4339, 4842)]