21432537

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11731}}^1$

素因数の和:11773

約数の個数: 24

約数和(自身を含む): 36603840

約数和(自身を除く): 15171303

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 11731, 35193, 82117, 105579, 246351, 340199, 739053, 1020597, 2381393, 3061791, 7144179, 21432537]

約数ペア:

[(1, 21432537), (3, 7144179), (7, 3061791), (9, 2381393), (21, 1020597), (29, 739053), (63, 340199), (87, 246351), (203, 105579), (261, 82117), (609, 35193), (1827, 11731)]