21710876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{8089}}^1$

素因数の和:8165

約数の個数: 24

約数和(自身を含む): 42132720

約数和(自身を除く): 20421844

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 8089, 16178, 32356, 88979, 177958, 355916, 493429, 986858, 1973716, 5427719, 10855438, 21710876]

約数ペア:

[(1, 21710876), (2, 10855438), (4, 5427719), (11, 1973716), (22, 986858), (44, 493429), (61, 355916), (122, 177958), (244, 88979), (671, 32356), (1342, 16178), (2684, 8089)]