21306923

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1051}}^1$

素因数の和:1178

約数の個数: 16

約数和(自身を含む): 24743040

約数和(自身を除く): 3436117

約数列:

[1, 11, 19, 97, 209, 1051, 1067, 1843, 11561, 19969, 20273, 101947, 219659, 1121417, 1936993, 21306923]

約数ペア:

[(1, 21306923), (11, 1936993), (19, 1121417), (97, 219659), (209, 101947), (1051, 20273), (1067, 19969), (1843, 11561)]