21786334

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{683}}^1$

素因数の和:1115

約数の個数: 16

約数和(自身を含む): 33611760

約数和(自身を除く): 11825426

約数列:

[1, 2, 41, 82, 389, 683, 778, 1366, 15949, 28003, 31898, 56006, 265687, 531374, 10893167, 21786334]

約数ペア:

[(1, 21786334), (2, 10893167), (41, 531374), (82, 265687), (389, 56006), (683, 31898), (778, 28003), (1366, 15949)]