21780936

素因数分解:

$2^3\times 3^2\times {\mathrm{302513}}^1$

素因数の和:302525

約数の個数: 24

約数和(自身を含む): 58990230

約数和(自身を除く): 37209294

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 302513, 605026, 907539, 1210052, 1815078, 2420104, 2722617, 3630156, 5445234, 7260312, 10890468, 21780936]

約数ペア:

[(1, 21780936), (2, 10890468), (3, 7260312), (4, 5445234), (6, 3630156), (8, 2722617), (9, 2420104), (12, 1815078), (18, 1210052), (24, 907539), (36, 605026), (72, 302513)]