21167772789

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{6949}}^1\times {\mathrm{12853}}^1$

素因数の和:19884

約数の個数: 16

約数和(自身を含む): 28587296000

約数和(自身を除く): 7419523211

約数列:

[1, 3, 79, 237, 6949, 12853, 20847, 38559, 548971, 1015387, 1646913, 3046161, 89315497, 267946491, 7055924263, 21167772789]

約数ペア:

[(1, 21167772789), (3, 7055924263), (79, 267946491), (237, 89315497), (6949, 3046161), (12853, 1646913), (20847, 1015387), (38559, 548971)]