21955388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{60317}}^1$

素因数の和:60341

約数の個数: 24

約数和(自身を含む): 47289312

約数和(自身を除く): 25333924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 60317, 120634, 241268, 422219, 784121, 844438, 1568242, 1688876, 3136484, 5488847, 10977694, 21955388]

約数ペア:

[(1, 21955388), (2, 10977694), (4, 5488847), (7, 3136484), (13, 1688876), (14, 1568242), (26, 844438), (28, 784121), (52, 422219), (91, 241268), (182, 120634), (364, 60317)]