21167005821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1511821}}^1$

素因数の和:1512196

約数の個数: 16

約数和(自身を含む): 30478331520

約数和(自身を除く): 9311325699

約数列:

[1, 3, 13, 39, 359, 1077, 4667, 14001, 1511821, 4535463, 19653673, 58961019, 542743739, 1628231217, 7055668607, 21167005821]

約数ペア:

[(1, 21167005821), (3, 7055668607), (13, 1628231217), (39, 542743739), (359, 58961019), (1077, 19653673), (4667, 4535463), (14001, 1511821)]