21895055

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{48121}}^1$

素因数の和:48146

約数の個数: 16

約数和(自身を含む): 32337984

約数和(自身を除く): 10442929

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 48121, 240605, 336847, 625573, 1684235, 3127865, 4379011, 21895055]

約数ペア:

[(1, 21895055), (5, 4379011), (7, 3127865), (13, 1684235), (35, 625573), (65, 336847), (91, 240605), (455, 48121)]