21912244

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{719}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 40521600

約数和(自身を除く): 18609356

約数列:

[1, 2, 4, 19, 38, 76, 401, 719, 802, 1438, 1604, 2876, 7619, 13661, 15238, 27322, 30476, 54644, 288319, 576638, 1153276, 5478061, 10956122, 21912244]

約数ペア:

[(1, 21912244), (2, 10956122), (4, 5478061), (19, 1153276), (38, 576638), (76, 288319), (401, 54644), (719, 30476), (802, 27322), (1438, 15238), (1604, 13661), (2876, 7619)]