21568876

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40543}}^1$

素因数の和:40573

約数の個数: 24

約数和(自身を含む): 45409280

約数和(自身を除く): 23840404

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40543, 81086, 162172, 283801, 567602, 770317, 1135204, 1540634, 3081268, 5392219, 10784438, 21568876]

約数ペア:

[(1, 21568876), (2, 10784438), (4, 5392219), (7, 3081268), (14, 1540634), (19, 1135204), (28, 770317), (38, 567602), (76, 283801), (133, 162172), (266, 81086), (532, 40543)]