21000369723

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6951463}}^1$

素因数の和:6951538

約数の個数: 16

約数和(自身を含む): 30030324480

約数和(自身を除く): 9029954757

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6951463, 20854389, 132077797, 368427539, 396233391, 1105282617, 7000123241, 21000369723]

約数ペア:

[(1, 21000369723), (3, 7000123241), (19, 1105282617), (53, 396233391), (57, 368427539), (159, 132077797), (1007, 20854389), (3021, 6951463)]