21945345

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 36167040

約数和(自身を除く): 14221695

約数列:

[1, 3, 5, 15, 59, 137, 177, 181, 295, 411, 543, 685, 885, 905, 2055, 2715, 8083, 10679, 24249, 24797, 32037, 40415, 53395, 74391, 121245, 123985, 160185, 371955, 1463023, 4389069, 7315115, 21945345]

約数ペア:

[(1, 21945345), (3, 7315115), (5, 4389069), (15, 1463023), (59, 371955), (137, 160185), (177, 123985), (181, 121245), (295, 74391), (411, 53395), (543, 40415), (685, 32037), (885, 24797), (905, 24249), (2055, 10679), (2715, 8083)]