21141042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2069}}^1$

素因数の和:2218

約数の個数: 32

約数和(自身を含む): 45904320

約数和(自身を除く): 24763278

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 2069, 3406, 4138, 5109, 6207, 10218, 12414, 26897, 53794, 80691, 161382, 271039, 542078, 813117, 1626234, 3523507, 7047014, 10570521, 21141042]

約数ペア:

[(1, 21141042), (2, 10570521), (3, 7047014), (6, 3523507), (13, 1626234), (26, 813117), (39, 542078), (78, 271039), (131, 161382), (262, 80691), (393, 53794), (786, 26897), (1703, 12414), (2069, 10218), (3406, 6207), (4138, 5109)]