21000739194

素因数分解:

$2^1\times 3^2\times {\mathrm{25847}}^1\times {\mathrm{45139}}^1$

素因数の和:70994

約数の個数: 24

約数和(自身を含む): 45504370080

約数和(自身を除く): 24503630886

約数列:

[1, 2, 3, 6, 9, 18, 25847, 45139, 51694, 77541, 90278, 135417, 155082, 232623, 270834, 406251, 465246, 812502, 1166707733, 2333415466, 3500123199, 7000246398, 10500369597, 21000739194]

約数ペア:

[(1, 21000739194), (2, 10500369597), (3, 7000246398), (6, 3500123199), (9, 2333415466), (18, 1166707733), (25847, 812502), (45139, 465246), (51694, 406251), (77541, 270834), (90278, 232623), (135417, 155082)]