21300356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6287}}^1$

素因数の和:6320

約数の個数: 36

約数和(自身を含む): 46833024

約数和(自身を除く): 25532668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6287, 12574, 25148, 44009, 69157, 88018, 138314, 176036, 276628, 484099, 760727, 968198, 1521454, 1936396, 3042908, 5325089, 10650178, 21300356]

約数ペア:

[(1, 21300356), (2, 10650178), (4, 5325089), (7, 3042908), (11, 1936396), (14, 1521454), (22, 968198), (28, 760727), (44, 484099), (77, 276628), (121, 176036), (154, 138314), (242, 88018), (308, 69157), (484, 44009), (847, 25148), (1694, 12574), (3388, 6287)]