21656068

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{13109}}^1$

素因数の和:13179

約数の個数: 24

約数和(自身を含む): 44049600

約数和(自身を除く): 22393532

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 13109, 26218, 52436, 91763, 183526, 367052, 773431, 1546862, 3093724, 5414017, 10828034, 21656068]

約数ペア:

[(1, 21656068), (2, 10828034), (4, 5414017), (7, 3093724), (14, 1546862), (28, 773431), (59, 367052), (118, 183526), (236, 91763), (413, 52436), (826, 26218), (1652, 13109)]