21875878

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:820

約数の個数: 24

約数和(自身を含む): 35524440

約数和(自身を除く): 13648562

約数列:

[1, 2, 19, 38, 41, 82, 361, 722, 739, 779, 1478, 1558, 14041, 14801, 28082, 29602, 30299, 60598, 266779, 533558, 575681, 1151362, 10937939, 21875878]

約数ペア:

[(1, 21875878), (2, 10937939), (19, 1151362), (38, 575681), (41, 533558), (82, 266779), (361, 60598), (722, 30299), (739, 29602), (779, 28082), (1478, 14801), (1558, 14041)]