21548878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{5279}}^1$

素因数の和:5451

約数の個数: 16

約数和(自身を含む): 35038080

約数和(自身を除く): 13489202

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 5279, 10558, 68627, 137254, 828803, 1657606, 10774439, 21548878]

約数ペア:

[(1, 21548878), (2, 10774439), (13, 1657606), (26, 828803), (157, 137254), (314, 68627), (2041, 10558), (4082, 5279)]