21512632323

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78800851}}^1$

素因数の和:78800874

約数の個数: 16

約数和(自身を含む): 35302781696

約数和(自身を除く): 13790149373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 78800851, 236402553, 551605957, 1024411063, 1654817871, 3073233189, 7170877441, 21512632323]

約数ペア:

[(1, 21512632323), (3, 7170877441), (7, 3073233189), (13, 1654817871), (21, 1024411063), (39, 551605957), (91, 236402553), (273, 78800851)]