21813422013

素因数分解:

$3^3\times {\mathrm{1721}}^1\times {\mathrm{469439}}^1$

素因数の和:471169

約数の個数: 16

約数和(自身を含む): 32335027200

約数和(自身を除く): 10521605187

約数列:

[1, 3, 9, 27, 1721, 5163, 15489, 46467, 469439, 1408317, 4224951, 12674853, 807904519, 2423713557, 7271140671, 21813422013]

約数ペア:

[(1, 21813422013), (3, 7271140671), (9, 2423713557), (27, 807904519), (1721, 12674853), (5163, 4224951), (15489, 1408317), (46467, 469439)]