21692841

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 10482519

約数列:

[1, 3, 23, 29, 37, 69, 87, 111, 293, 667, 851, 879, 1073, 2001, 2553, 3219, 6739, 8497, 10841, 20217, 24679, 25491, 32523, 74037, 195431, 249343, 314389, 586293, 748029, 943167, 7230947, 21692841]

約数ペア:

[(1, 21692841), (3, 7230947), (23, 943167), (29, 748029), (37, 586293), (69, 314389), (87, 249343), (111, 195431), (293, 74037), (667, 32523), (851, 25491), (879, 24679), (1073, 20217), (2001, 10841), (2553, 8497), (3219, 6739)]