21000434

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6073}}^1$

素因数の和:6114

約数の個数: 32

約数和(自身を含む): 40817280

約数和(自身を除く): 19816846

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 6073, 12146, 42511, 78949, 85022, 115387, 157898, 230774, 552643, 807709, 1105286, 1500031, 1615418, 3000062, 10500217, 21000434]

約数ペア:

[(1, 21000434), (2, 10500217), (7, 3000062), (13, 1615418), (14, 1500031), (19, 1105286), (26, 807709), (38, 552643), (91, 230774), (133, 157898), (182, 115387), (247, 85022), (266, 78949), (494, 42511), (1729, 12146), (3458, 6073)]