21000681198

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{166672073}}^1$

素因数の和:166672088

約数の個数: 24

約数和(自身を含む): 52001687088

約数和(自身を除く): 31001005890

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 166672073, 333344146, 500016219, 1000032438, 1166704511, 1500048657, 2333409022, 3000097314, 3500113533, 7000227066, 10500340599, 21000681198]

約数ペア:

[(1, 21000681198), (2, 10500340599), (3, 7000227066), (6, 3500113533), (7, 3000097314), (9, 2333409022), (14, 1500048657), (18, 1166704511), (21, 1000032438), (42, 500016219), (63, 333344146), (126, 166672073)]