21804571

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 2041829

約数列:

[1, 19, 53, 59, 367, 1007, 1121, 3127, 6973, 19451, 21653, 59413, 369569, 411407, 1147609, 21804571]

約数ペア:

[(1, 21804571), (19, 1147609), (53, 411407), (59, 369569), (367, 59413), (1007, 21653), (1121, 19451), (3127, 6973)]