21000391614

素因数分解:

$2^1\times 3^4\times {\mathrm{373}}^1\times {\mathrm{347539}}^1$

素因数の和:347926

約数の個数: 40

約数和(自身を含む): 47182725480

約数和(自身を除く): 26182333866

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 373, 746, 1119, 2238, 3357, 6714, 10071, 20142, 30213, 60426, 347539, 695078, 1042617, 2085234, 3127851, 6255702, 9383553, 18767106, 28150659, 56301318, 129632047, 259264094, 388896141, 777792282, 1166688423, 2333376846, 3500065269, 7000130538, 10500195807, 21000391614]

約数ペア:

[(1, 21000391614), (2, 10500195807), (3, 7000130538), (6, 3500065269), (9, 2333376846), (18, 1166688423), (27, 777792282), (54, 388896141), (81, 259264094), (162, 129632047), (373, 56301318), (746, 28150659), (1119, 18767106), (2238, 9383553), (3357, 6255702), (6714, 3127851), (10071, 2085234), (20142, 1042617), (30213, 695078), (60426, 347539)]