21041060

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1361}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 44275896

約数和(自身を除く): 23234836

約数列:

[1, 2, 4, 5, 10, 20, 773, 1361, 1546, 2722, 3092, 3865, 5444, 6805, 7730, 13610, 15460, 27220, 1052053, 2104106, 4208212, 5260265, 10520530, 21041060]

約数ペア:

[(1, 21041060), (2, 10520530), (4, 5260265), (5, 4208212), (10, 2104106), (20, 1052053), (773, 27220), (1361, 15460), (1546, 13610), (2722, 7730), (3092, 6805), (3865, 5444)]